Pith Number

pith:IQPON73C

pith:2014:IQPON73CPJRY3RM5H4OL3WOGFL

not attested not anchored not stored refs pending

F stars: A challenge to stellar evolution

A. A. Suchkov, S. A. Lyapustina

arxiv:1410.8554 v1 · 2014-10-30 · 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{IQPON73CPJRY3RM5H4OL3WOGFL}

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	2026-05-18T02:38:59.031960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

441ee6ff627a638dc59d3f1cbdd9c62aee882c741cf9142899febe1450fb6efb

Aliases

arxiv: 1410.8554 · arxiv_version: 1410.8554v1 · doi: 10.48550/arxiv.1410.8554 · pith_short_12: IQPON73CPJRY · pith_short_16: IQPON73CPJRY3RM5 · pith_short_8: IQPON73C

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/IQPON73CPJRY3RM5H4OL3WOGFL \
  | 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: 441ee6ff627a638dc59d3f1cbdd9c62aee882c741cf9142899febe1450fb6efb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5e288a3d3f8aac8b10d63b585ea0b74045920fcae69089dcd0ea83a6545864f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-10-30T20:58:57Z",
    "title_canon_sha256": "b7570a3f38eb91bb796a4abfbe09a38925ceac9ecef3c521caa438ad441600b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.8554",
    "kind": "arxiv",
    "version": 1
  }
}