Pith Number

pith:HTD35O2F

pith:2015:HTD35O2FUK3DLMQCRQ672V5ZXX

not attested not anchored not stored refs pending

Observational constraints on star cluster formation theory - I. The mass-radius relation

A. Bhandare, A. Sills, H. Kirk, J. Kauffmann, J. S. Urquhart, K. M. Menten, M. A. Kuhn, S. Pfalzner

arxiv:1512.00334 v1 · 2015-12-01 · 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{HTD35O2FUK3DLMQCRQ672V5ZXX}

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	2026-05-18T01:21:26.306539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cc7bebb45a2b635b2028c3dfd57b9bdf9d561235cea221df27f56b57c802ee4

Aliases

arxiv: 1512.00334 · arxiv_version: 1512.00334v1 · doi: 10.48550/arxiv.1512.00334 · pith_short_12: HTD35O2FUK3D · pith_short_16: HTD35O2FUK3DLMQC · pith_short_8: HTD35O2F

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/HTD35O2FUK3DLMQCRQ672V5ZXX \
  | 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: 3cc7bebb45a2b635b2028c3dfd57b9bdf9d561235cea221df27f56b57c802ee4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f64908435fcd3dfbf80ac4f982110470230c3e15ca1057355e398228dd18e9a2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-12-01T16:55:43Z",
    "title_canon_sha256": "2b0b3b927cb6da92ae5dbe91fa838b7bcd08f3820c3f3456037d16347d0fac32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00334",
    "kind": "arxiv",
    "version": 1
  }
}