Pith Number

pith:5ITLSVJB

pith:1999:5ITLSVJB6CTEVTS67AYNQQKHKI

not attested not anchored not stored refs pending

The Lithium Depletion Boundary and the Age of the Young Open Cluster IC~2391

B.M. Patten (2) ((1) MPIA (2) CfA), D. Barrado y Navascues (1), J.R. Stauffer (2)

arxiv:astro-ph/9907007 v1 · 1999-07-01 · 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{5ITLSVJB6CTEVTS67AYNQQKHKI}

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

New Way to Date Globular Clusters: Brown Dwarf Cooling Sequences

Receipt and verification

First computed	2026-05-18T04:28:57.153925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea26b95521f0a64ace5ef830d84147520cca63fa5c0c77572381285336da59b8

Aliases

arxiv: astro-ph/9907007 · arxiv_version: astro-ph/9907007v1 · doi: 10.48550/arxiv.astro-ph/9907007 · pith_short_12: 5ITLSVJB6CTE · pith_short_16: 5ITLSVJB6CTEVTS6 · pith_short_8: 5ITLSVJB

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/5ITLSVJB6CTEVTS67AYNQQKHKI \
  | 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: ea26b95521f0a64ace5ef830d84147520cca63fa5c0c77572381285336da59b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7acae8eaf367edd153e2429da07cfded42f0c1c2b433d323e2a152bc95cd9567",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-07-01T10:05:34Z",
    "title_canon_sha256": "f4c9cb49bf626cb6b699647f775970305f6327eb5cb570cc126d41998e55c71b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9907007",
    "kind": "arxiv",
    "version": 1
  }
}