Pith Number

pith:2G7FKJBT

pith:2011:2G7FKJBTLDAPAXAJTF5LF7K7PV

not attested not anchored not stored refs pending

The Star Formation History and Dust Content in the Far Outer Disc of M31

Alan W. McConnachie, Annette M. N. Ferguson, Edouard J. Bernard, Geraint F. Lewis, Matteo Monelli, Michael J. Irwin, Michael K. Barker, Rodrigo A. Ibata, Scott C. Chapman, Sebastian L. Hidalgo

arxiv:1111.5234 v1 · 2011-11-22 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2G7FKJBTLDAPAXAJTF5LF7K7PV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:59:26.816246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1be55243358c0f05c09997ab2fd5f7d55f9617174ddd882a9cb267c0e4444c9

Aliases

arxiv: 1111.5234 · arxiv_version: 1111.5234v1 · doi: 10.48550/arxiv.1111.5234 · pith_short_12: 2G7FKJBTLDAP · pith_short_16: 2G7FKJBTLDAPAXAJ · pith_short_8: 2G7FKJBT

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/2G7FKJBTLDAPAXAJTF5LF7K7PV \
  | 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: d1be55243358c0f05c09997ab2fd5f7d55f9617174ddd882a9cb267c0e4444c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "884786b540da4f3a671e40596df9c409fb9845e71816c419df9a57ec5410430c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-11-22T15:59:24Z",
    "title_canon_sha256": "faa422109b015bc425dfa1daec73c0e80a0439146ef33171fe0e5ce2a3be715b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5234",
    "kind": "arxiv",
    "version": 1
  }
}