Pith Number

pith:CWHHUAYN

pith:2004:CWHHUAYNW4BHH4OAPTZ4YT6QKO

not attested not anchored not stored refs pending

Lithium evolution in intermediate age and old open clusters: NGC 752 revisited

P. Sestito (Dipartimento di Astronomia, R. Pallavicini (INAF/Osservatorio Astronomico di Palermo), S. Randich (INAF/Osservatorio Astrofisico di Arcetri), Universita' di Firenze)

arxiv:astro-ph/0407305 v1 · 2004-07-15 · 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{CWHHUAYNW4BHH4OAPTZ4YT6QKO}

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	2026-07-04T16:44:18.961143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

158e7a030db70273f1c07cf3cc4fd05385a975db51f8f79b88547e616eb22220

Aliases

arxiv: astro-ph/0407305 · arxiv_version: astro-ph/0407305v1 · doi: 10.48550/arxiv.astro-ph/0407305 · pith_short_12: CWHHUAYNW4BH · pith_short_16: CWHHUAYNW4BHH4OA · pith_short_8: CWHHUAYN

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/CWHHUAYNW4BHH4OAPTZ4YT6QKO \
  | 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: 158e7a030db70273f1c07cf3cc4fd05385a975db51f8f79b88547e616eb22220

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "879776ff9e0ab79c0cdfc8c61938e0db8fd054158debe6c16ce9bf3496ec2ed0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-07-15T10:40:57Z",
    "title_canon_sha256": "32c19fda80e8f2aedb78e89c88d0f246e67a346fe59d0bfa1e0bddd4c5a78a27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0407305",
    "kind": "arxiv",
    "version": 1
  }
}