Pith Number

pith:QJN4KV4X

pith:2023:QJN4KV4X7CCMDS4PDCVPUX5ENL

not attested not anchored not stored refs pending

Exploring the origin of the extended main sequence turn off in M37 through the white dwarf cooling sequence

2), (2) INAF - Osservatorio Astronomico di Padova, (3) Astrophysics Research Institute, 4), (4) INAF - Osservatorio Astronomico di Abruzzo, 5), (5) Aix Marseille Univ, 6), (6) INFN - Sezione di Pisa, (7) Space Telescope Science Institute), D. Nardiello (2, J. Anderson (7) ((1) Dipartimento di Fisica, LAM, Liverpool John Moores University, L. R. Bedin (2), M. Griggio (1, M. Salaris (3, S. Cassisi (4, Universit\`a di Ferrara

arxiv:2306.09845 v1 · 2023-06-16 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QJN4KV4X7CCMDS4PDCVPUX5ENL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T06:25:33.605667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

825bc55797f884c1cb8f18aafa5fa46af711148133d8c886f67763b44d2c61c0

Aliases

arxiv: 2306.09845 · arxiv_version: 2306.09845v1 · doi: 10.48550/arxiv.2306.09845 · pith_short_12: QJN4KV4X7CCM · pith_short_16: QJN4KV4X7CCMDS4P · pith_short_8: QJN4KV4X

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QJN4KV4X7CCMDS4PDCVPUX5ENL \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 825bc55797f884c1cb8f18aafa5fa46af711148133d8c886f67763b44d2c61c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b35fca4a4f69cd428adb4a817b736842ce9224696b74407e01ab36498ae48480",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-06-16T13:42:58Z",
    "title_canon_sha256": "528b89b861e37f83bba1de36fabf4375682c287e345ce20e6ca164d8d81b2b90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.09845",
    "kind": "arxiv",
    "version": 1
  }
}