Pith Number

pith:POKWJ5ON

pith:2000:POKWJ5ONSPXDIWMDYRGZOE2SZX

not attested not anchored not stored refs pending

On the helium content of Galactic globular clusters via the R parameter

G. Bono, G. Piotto, M. Zoccali, R. M. Rich, S. Cassisi, S. G. Djorgovski

arxiv:astro-ph/0003004 v1 · 2000-03-01 · 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{POKWJ5ONSPXDIWMDYRGZOE2SZX}

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

Fifty years of primordial helium abundances: A statistical reanalysis

Receipt and verification

First computed	2026-07-04T16:16:08.042895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b9564f5cd93ee345983c44d971352cdf41da4ef6269c6f7797efcd78536fd5b

Aliases

arxiv: astro-ph/0003004 · arxiv_version: astro-ph/0003004v1 · doi: 10.48550/arxiv.astro-ph/0003004 · pith_short_12: POKWJ5ONSPXD · pith_short_16: POKWJ5ONSPXDIWMD · pith_short_8: POKWJ5ON

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/POKWJ5ONSPXDIWMDYRGZOE2SZX \
  | 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: 7b9564f5cd93ee345983c44d971352cdf41da4ef6269c6f7797efcd78536fd5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bf02a2d98a36c25e76488272044fc922f730e55a3496c9afad8c729b5c6a094",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-03-01T10:06:53Z",
    "title_canon_sha256": "574909b2eee744d696c6bdcbc6a422d6b51d26212b4f2347bb07c03cea9c69c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0003004",
    "kind": "arxiv",
    "version": 1
  }
}