Pith Number

pith:O7IBBZPC

pith:2015:O7IBBZPCUBUBHADBY2HCABPHK5

not attested not anchored not stored refs pending

IVOA Recommendation: Registry Relational Schema Version 1.0

Gretchen Greene, Marco Molinaro, Markus Demleitner, Menelaos Perdikeas, Paul Harrison, Theresa Dower

arxiv:1510.02275 v1 · 2015-10-08 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O7IBBZPCUBUBHADBY2HCABPHK5}

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	2026-05-17T23:45:41.637550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77d010e5e2a068138061c68e2005e757556cc41623d813c87e6b7e9422615431

Aliases

arxiv: 1510.02275 · arxiv_version: 1510.02275v1 · doi: 10.48550/arxiv.1510.02275 · pith_short_12: O7IBBZPCUBUB · pith_short_16: O7IBBZPCUBUBHADB · pith_short_8: O7IBBZPC

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/O7IBBZPCUBUBHADBY2HCABPHK5 \
  | 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: 77d010e5e2a068138061c68e2005e757556cc41623d813c87e6b7e9422615431

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0962434f7afd66bed882a928d6e2d7a1ab847148a37acccf1432776b7b78c2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-10-08T10:54:55Z",
    "title_canon_sha256": "30689aa32ab8e7230a83749755ac7aac95b979710802acb79326f24c2095a4a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.02275",
    "kind": "arxiv",
    "version": 1
  }
}