Pith Number

pith:2JQSXKRM

pith:2011:2JQSXKRMEEMLGUPBZS2PIX7Y4M

not attested not anchored not stored refs pending

The ACS LCID project VII: the blue stragglers population in the isolated dSph galaxies Cetus and Tucana

A. Aparicio, C. Gallart, E.D. Skillman, E.J. Bernard, E. Tolstoy, L. Mayer, M. Mapelli, M. Monelli, P.B. Stetson, S. Cassisi, S.L. Hidalgo

arxiv:1109.6875 v1 · 2011-09-30 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2JQSXKRMEEMLGUPBZS2PIX7Y4M}

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	2026-05-18T02:00:20.909727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2612baa2c2118b351e1ccb4f45ff8e30ed05feba5fb7ee8da088135f2672909

Aliases

arxiv: 1109.6875 · arxiv_version: 1109.6875v1 · doi: 10.48550/arxiv.1109.6875 · pith_short_12: 2JQSXKRMEEML · pith_short_16: 2JQSXKRMEEMLGUPB · pith_short_8: 2JQSXKRM

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/2JQSXKRMEEMLGUPBZS2PIX7Y4M \
  | 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: d2612baa2c2118b351e1ccb4f45ff8e30ed05feba5fb7ee8da088135f2672909

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c3d3b5aa3732f8dbf0b7f0673d906664cf3c57bc8b9b77f59423f756376a8f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-30T16:13:59Z",
    "title_canon_sha256": "4cb2fa8dff58710861df877ff9297ecee09a2bde8fbb4ebbcce4f4f5dfe214b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6875",
    "kind": "arxiv",
    "version": 1
  }
}