Pith Number

pith:K2JW635P

pith:2013:K2JW635PMU6UFOYQBVPDOBRYOT

not attested not anchored not stored refs pending

Lithium abundance evolution in open clusters: Hyades, NGC752, and M67

Giancarlo Pace, Jos\'e Dias do Nascimento Jr, Matthieu Castro

arxiv:1309.7969 v1 · 2013-09-30 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K2JW635PMU6UFOYQBVPDOBRYOT}

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	2026-05-18T01:47:24.301637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56936f6faf653d42bb100d5e37063874f0529f254b5dec825cc292575dd694d3

Aliases

arxiv: 1309.7969 · arxiv_version: 1309.7969v1 · doi: 10.48550/arxiv.1309.7969 · pith_short_12: K2JW635PMU6U · pith_short_16: K2JW635PMU6UFOYQ · pith_short_8: K2JW635P

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/K2JW635PMU6UFOYQBVPDOBRYOT \
  | 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: 56936f6faf653d42bb100d5e37063874f0529f254b5dec825cc292575dd694d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0be1fc43f10884ebc898bad62a323e9b989f347a899f2fe69dcd3bd4f87a7f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-09-30T19:13:26Z",
    "title_canon_sha256": "8b71d103e2baeada8591c9de59a858e2c767a31420d1dbb1d32cb630cbe1cac3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7969",
    "kind": "arxiv",
    "version": 1
  }
}