Pith Number

pith:5OTOEQOB

pith:2013:5OTOEQOBS3T5BCO6VSQPSBUGGM

not attested not anchored not stored refs pending

Studying the metallicity gradient in Virgo Ellipticals with E-ELT photometry of resolved stars

Daniela Fantinel, Laura Greggio, Laura Schreiber, Michela Uslenghi, Renato Falomo

arxiv:1311.1003 v1 · 2013-11-05 · astro-ph.IM · 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{5OTOEQOBS3T5BCO6VSQPSBUGGM}

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	2026-05-18T01:46:38.928633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eba6e241c196e7d089deaca0f90686330928e0c865ae56c9173f0ad6f7eba69a

Aliases

arxiv: 1311.1003 · arxiv_version: 1311.1003v1 · doi: 10.48550/arxiv.1311.1003 · pith_short_12: 5OTOEQOBS3T5 · pith_short_16: 5OTOEQOBS3T5BCO6 · pith_short_8: 5OTOEQOB

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/5OTOEQOBS3T5BCO6VSQPSBUGGM \
  | 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: eba6e241c196e7d089deaca0f90686330928e0c865ae56c9173f0ad6f7eba69a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "123cd1154dcf433d5f0496a9bd4ce174b72d865b5ac228aa70927348073412c2",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-11-05T10:03:19Z",
    "title_canon_sha256": "c9082bdd02f85440e4149d6a610cafd1378c59d597e25b33589db8fbfb554a94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1003",
    "kind": "arxiv",
    "version": 1
  }
}