Pith Number

pith:BREKYRKM

pith:2005:BREKYRKMKNJ44FV72ALXF73MLF

not attested not anchored not stored refs pending

The Stellar Populations of M31 Halo Substructure

Annette Ferguson, Daniel Faria, Geraint Lewis, Kathryn Johnston, Mike Irwin, Nial Tanvir, Rachel Johnson, Rodrigo Ibata

arxiv:astro-ph/0501511 v1 · 2005-01-24 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BREKYRKMKNJ44FV72ALXF73MLF}

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.

Cited by

1 paper in Pith

The Merger-Driven Origin of the Vast Extended Stellar Disc Around the Andromeda Galaxy

Receipt and verification

First computed	2026-07-04T16:50:41.546196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c48ac454c5353ce16bfd01772ff6c5956d4b3480d8ab95ce27f8baa03e352ab

Aliases

arxiv: astro-ph/0501511 · arxiv_version: astro-ph/0501511v1 · doi: 10.48550/arxiv.astro-ph/0501511 · pith_short_12: BREKYRKMKNJ4 · pith_short_16: BREKYRKMKNJ44FV7 · pith_short_8: BREKYRKM

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/BREKYRKMKNJ44FV72ALXF73MLF \
  | 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: 0c48ac454c5353ce16bfd01772ff6c5956d4b3480d8ab95ce27f8baa03e352ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25c19357c715dbe81eee2644e58116cad4a3c9ef50a46b967d152f40b3d94be1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-01-24T13:45:06Z",
    "title_canon_sha256": "4affcbefcb804f630b7f4a79fe4d22f9a9112e58eb9a35f76a8f4ed16466f267"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0501511",
    "kind": "arxiv",
    "version": 1
  }
}