Pith Number

pith:HYWM6M4I

pith:2015:HYWM6M4I54P2KHD6EFSSAOCYBG

not attested not anchored not stored refs pending

Finding the imprints of stellar encounters in long period comets

C. A. L. Bailer-Jones, Fabo Feng

arxiv:1509.07222 v2 · 2015-09-24 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HYWM6M4I54P2KHD6EFSSAOCYBG}

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	2026-05-18T01:28:45.686258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e2ccf3388ef1fa51c7e216520385809bbe8380b74294463dfcd7e182b1c6735

Aliases

arxiv: 1509.07222 · arxiv_version: 1509.07222v2 · doi: 10.48550/arxiv.1509.07222 · pith_short_12: HYWM6M4I54P2 · pith_short_16: HYWM6M4I54P2KHD6 · pith_short_8: HYWM6M4I

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/HYWM6M4I54P2KHD6EFSSAOCYBG \
  | 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: 3e2ccf3388ef1fa51c7e216520385809bbe8380b74294463dfcd7e182b1c6735

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cfca877af99c16c99a7553a5a25e4f0a84089c69ff42fec156b1042dd48e0db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-09-24T03:18:27Z",
    "title_canon_sha256": "f1b57df8d2278af79a1043012616af13ed1f01b54e9dd824beececc516f7a7e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07222",
    "kind": "arxiv",
    "version": 2
  }
}