Pith Number

pith:IOHXGB2W

pith:2014:IOHXGB2WCF2MJRXHHQV3TME4ZZ

not attested not anchored not stored refs pending

Pulsating variables from the OGLE and Araucaria projects

Grzegorz Pietrzynski

arxiv:1401.0335 v2 · 2014-01-01 · 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{IOHXGB2WCF2MJRXHHQV3TME4ZZ}

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	2026-05-18T01:45:34.614951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

438f7307561174c4c6e73c2bb9b09cce758edf8d0d9cc5ac0a6b53c3eaea5a40

Aliases

arxiv: 1401.0335 · arxiv_version: 1401.0335v2 · doi: 10.48550/arxiv.1401.0335 · pith_short_12: IOHXGB2WCF2M · pith_short_16: IOHXGB2WCF2MJRXH · pith_short_8: IOHXGB2W

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/IOHXGB2WCF2MJRXHHQV3TME4ZZ \
  | 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: 438f7307561174c4c6e73c2bb9b09cce758edf8d0d9cc5ac0a6b53c3eaea5a40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2e40c5cd7f7ad3aef41cfa6131b58cbd587da1aa07feef88e8f6e3c20f3c23e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-01-01T21:16:23Z",
    "title_canon_sha256": "be054a2ac2cd21eae671f21e2119eea6b08b9c09a9bf76412419b2e9ad8e04dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0335",
    "kind": "arxiv",
    "version": 2
  }
}