Pith Number

pith:X4SVG4EF

pith:2011:X4SVG4EFTVOL3GQC2GIE7Z7CNA

not attested not anchored not stored refs pending

IVOA Recommendation: IVOA Registry Interfaces Version 1.0

Aur\'elien St\'eb\'e, Dave Morris, Elizabeth Auden, Gretchen Greene, Guy Rixon, Kevin Benson, Kona Andrews, Martin Hill, Matthew Graham, Ray Plante, Tony Linde, Wil O'Mullane

arxiv:1110.0513 v1 · 2011-10-03 · 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{X4SVG4EFTVOL3GQC2GIE7Z7CNA}

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	2026-05-17T23:45:41.960208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf255370859d5cbd9a02d1904fe7e26834ccc45923071c7e1546edefbd461e52

Aliases

arxiv: 1110.0513 · arxiv_version: 1110.0513v1 · doi: 10.48550/arxiv.1110.0513 · pith_short_12: X4SVG4EFTVOL · pith_short_16: X4SVG4EFTVOL3GQC · pith_short_8: X4SVG4EF

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/X4SVG4EFTVOL3GQC2GIE7Z7CNA \
  | 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: bf255370859d5cbd9a02d1904fe7e26834ccc45923071c7e1546edefbd461e52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04da1730696edecbbb8de08b947f011c9134c9a88519df262009c37bdccb99f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-10-03T21:25:13Z",
    "title_canon_sha256": "1a21f0fa4cf05eefb1456e56f6d8705ff97aecb4f14504727ba26f88015a58bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0513",
    "kind": "arxiv",
    "version": 1
  }
}