Pith Number

pith:QFRNW73P

pith:2005:QFRNW73PFWSRSRHYO3D2EGVZSO

not attested not anchored not stored refs pending

C and N Abundances in Stars At the Base of the Red Giant Branch in M15

Judith G. Cohen, Michael M. Briley, Peter B. Stetson

arxiv:astro-ph/0505263 v1 · 2005-05-12 · 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{QFRNW73PFWSRSRHYO3D2EGVZSO}

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	2026-07-04T15:25:32.594682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8162db7f6f2da51944f876c7a21ab993979dced94333f8695027a1c8e3dd75aa

Aliases

arxiv: astro-ph/0505263 · arxiv_version: astro-ph/0505263v1 · doi: 10.48550/arxiv.astro-ph/0505263 · pith_short_12: QFRNW73PFWSR · pith_short_16: QFRNW73PFWSRSRHY · pith_short_8: QFRNW73P

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/QFRNW73PFWSRSRHYO3D2EGVZSO \
  | 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: 8162db7f6f2da51944f876c7a21ab993979dced94333f8695027a1c8e3dd75aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38a879a1871540d7fa27eac57f7858ff7a5adec1556df6f6f8d8bacc39d68261",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-05-12T17:07:35Z",
    "title_canon_sha256": "87a81d91224545d0f7ca06b86a4631b36cd37ee2f39cd221b4930ad44a975f6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0505263",
    "kind": "arxiv",
    "version": 1
  }
}