Pith Number

pith:ZY4UFG7P

pith:2014:ZY4UFG7PD5YVJOESKXYLDZP53S

not attested not anchored not stored refs pending

On the oxygen abundances of M 67 stars from the turn-off point through the red-giant branch

Satoshi Honda, Yoichi Takeda

arxiv:1412.7230 v1 · 2014-12-23 · 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{ZY4UFG7PD5YVJOESKXYLDZP53S}

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	2026-05-18T01:41:16.020943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce39429bef1f7154b89255f0b1e5fddcb2de5e72446d4a54c7268d9cb936eb8d

Aliases

arxiv: 1412.7230 · arxiv_version: 1412.7230v1 · doi: 10.48550/arxiv.1412.7230 · pith_short_12: ZY4UFG7PD5YV · pith_short_16: ZY4UFG7PD5YVJOES · pith_short_8: ZY4UFG7P

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/ZY4UFG7PD5YVJOESKXYLDZP53S \
  | 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: ce39429bef1f7154b89255f0b1e5fddcb2de5e72446d4a54c7268d9cb936eb8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00f118c571f5442a3d35e1f08ec897029eb9aa81075f5ec60d44c53866d36c55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-12-23T01:42:41Z",
    "title_canon_sha256": "69d56b10468b5bfaa62e1dfc189b03d84e20d836014e0e4fae2d201d1fe02677"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.7230",
    "kind": "arxiv",
    "version": 1
  }
}