Pith Number

pith:E7FGMBJD

pith:2011:E7FGMBJDECR7BUXCKLVFB4NREU

not attested not anchored not stored refs pending

Enhanced Abundances in Spiral Galaxies of the Pegasus I Cluster

Gregory A. Shields, Guillermo A. Blanc, Paul Robertson

arxiv:1112.5975 v1 · 2011-12-27 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E7FGMBJDECR7BUXCKLVFB4NREU}

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	2026-05-18T01:59:00.252565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27ca66052320a3f0d2e252ea50f1b12531e82e72f9f2ae16f562bce7003fdc5c

Aliases

arxiv: 1112.5975 · arxiv_version: 1112.5975v1 · doi: 10.48550/arxiv.1112.5975 · pith_short_12: E7FGMBJDECR7 · pith_short_16: E7FGMBJDECR7BUXC · pith_short_8: E7FGMBJD

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/E7FGMBJDECR7BUXCKLVFB4NREU \
  | 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: 27ca66052320a3f0d2e252ea50f1b12531e82e72f9f2ae16f562bce7003fdc5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbfbd7f08e4d5f7b05db09de037971b646850b6c290988fc05712253a2347077",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-12-27T15:25:43Z",
    "title_canon_sha256": "4c52f2c747dff6801eae1f076f616cbfd69d2208a8ac38669c85d1a971a5b814"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5975",
    "kind": "arxiv",
    "version": 1
  }
}