Pith Number

pith:BTKU5NON

pith:2013:BTKU5NON4EEBTSAWJJFEJB5JGE

not attested not anchored not stored refs pending

Photometric and spectroscopic variations of the Be star HD 112999

G. A. Ferrero, M. A. Corti, R. C. Gamen, W. A. Weidmann, Y. J. Aidelman

arxiv:1305.7098 v1 · 2013-05-30 · 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{BTKU5NON4EEBTSAWJJFEJB5JGE}

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	2026-07-04T23:57:44.559955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cd54eb5cde10819c8164a4a4487a93137b492216b676c8bf2ee27fe61981391

Aliases

arxiv: 1305.7098 · arxiv_version: 1305.7098v1 · doi: 10.48550/arxiv.1305.7098 · pith_short_12: BTKU5NON4EEB · pith_short_16: BTKU5NON4EEBTSAW · pith_short_8: BTKU5NON

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/BTKU5NON4EEBTSAWJJFEJB5JGE \
  | 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: 0cd54eb5cde10819c8164a4a4487a93137b492216b676c8bf2ee27fe61981391

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "678936408d33e9ec4a574ace43b2dbb6159a8b69ccfafb82243fa367c45892c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-05-30T13:15:20Z",
    "title_canon_sha256": "233f6562d7ac0a51f47203bd8d3ae6d32303275db9baa94eb5e0444623ce031a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.7098",
    "kind": "arxiv",
    "version": 1
  }
}