Pith Number

pith:FXNLAU3J

pith:2014:FXNLAU3JW4VYR4LDFIZ3PEQYSB

not attested not anchored not stored refs pending

A 3D view of the Hydra I cluster core - II. Stellar populations

Carlos Eduardo Barbosa, Cl\'audia Mendes de Oliveira, Lodovico Coccato, Magda Arnaboldi, Michael Hilker, Tom Richtler

arxiv:1410.0696 v1 · 2014-10-02 · 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{FXNLAU3JW4VYR4LDFIZ3PEQYSB}

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	2026-05-18T01:41:53.041878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ddab05369b72b88f1632a33b7921890794553db5ad96454eef13ca063c2a6c4

Aliases

arxiv: 1410.0696 · arxiv_version: 1410.0696v1 · doi: 10.48550/arxiv.1410.0696 · pith_short_12: FXNLAU3JW4VY · pith_short_16: FXNLAU3JW4VYR4LD · pith_short_8: FXNLAU3J

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/FXNLAU3JW4VYR4LDFIZ3PEQYSB \
  | 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: 2ddab05369b72b88f1632a33b7921890794553db5ad96454eef13ca063c2a6c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2b3778d7dd6ce86f038458cd181449f77eba0f89812445ae47add7f84748c6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-10-02T20:02:02Z",
    "title_canon_sha256": "e9f683d1b8b9c710888d1240e0f24626bc2c10c2f79209004527ca8fcf1c488a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.0696",
    "kind": "arxiv",
    "version": 1
  }
}