Pith Number

pith:JP7Z4XDS

pith:2010:JP7Z4XDSTBCGTRO4T3YFRGIYK4

not attested not anchored not stored refs pending

Death of a cluster: the destruction of M67 as seen by the SDSS

(2) San Diego State University), Eric L. Sandquist (2) ((1) University of Washington, James R. A. Davenport (1)

arxiv:1001.1198 v1 · 2010-01-08 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JP7Z4XDSTBCGTRO4T3YFRGIYK4}

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	2026-05-18T02:10:03.905157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bff9e5c72984469c5dc9ef058991857191ac7c625a6584c01bd63572220dedc

Aliases

arxiv: 1001.1198 · arxiv_version: 1001.1198v1 · doi: 10.48550/arxiv.1001.1198 · pith_short_12: JP7Z4XDSTBCG · pith_short_16: JP7Z4XDSTBCGTRO4 · pith_short_8: JP7Z4XDS

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/JP7Z4XDSTBCGTRO4T3YFRGIYK4 \
  | 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: 4bff9e5c72984469c5dc9ef058991857191ac7c625a6584c01bd63572220dedc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83ec71961d257a5eb94a02852ee3c25fae83930329ee120855b24e1383751875",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-01-08T04:26:49Z",
    "title_canon_sha256": "a86d31d38d79c1b24fe27a50c05dd72fe7ad69cb85851166cab80234e119336c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.1198",
    "kind": "arxiv",
    "version": 1
  }
}