Pith Number

pith:M6ECCHKF

pith:2014:M6ECCHKFOUCFVZTHRYE67EQBGJ

not attested not anchored not stored refs pending

Time-series photometry of the O4 I(n)fp star zeta Puppis

Ian D. Howarth, Ian R. Stevens

arxiv:1409.5258 v1 · 2014-09-18 · 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{M6ECCHKFOUCFVZTHRYE67EQBGJ}

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	2026-05-18T01:42:01.504312Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6788211d4575045ae6678e09ef9201326edcc275b8f9cd5ea3a3b5107a39da99

Aliases

arxiv: 1409.5258 · arxiv_version: 1409.5258v1 · doi: 10.48550/arxiv.1409.5258 · pith_short_12: M6ECCHKFOUCF · pith_short_16: M6ECCHKFOUCFVZTH · pith_short_8: M6ECCHKF

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/M6ECCHKFOUCFVZTHRYE67EQBGJ \
  | 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: 6788211d4575045ae6678e09ef9201326edcc275b8f9cd5ea3a3b5107a39da99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2a0001d4d9d489fe48ac7a6e904776e0f6bc47cf52776621427380355b9afb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-09-18T11:03:56Z",
    "title_canon_sha256": "fa459c172386c3ce552d1f38b59d02fe3078c91aaa872a4b92a17ed5b4e6db82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5258",
    "kind": "arxiv",
    "version": 1
  }
}