Pith Number

pith:2OWLK4WT

pith:2013:2OWLK4WTGP7ZCW4IGWIIHZRFWE

not attested not anchored not stored refs pending

Direct diagnostics of forming massive stars: stellar pulsation and periodic variability of maser sources

Kazuhito Motogi, Kei E. I. Tanaka, Kohei Inayoshi, Koichiro Sugiyama, Takashi Hosokawa

arxiv:1304.5241 v1 · 2013-04-18 · 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{2OWLK4WTGP7ZCW4IGWIIHZRFWE}

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	2026-05-18T01:50:30.968083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3acb572d333ff915b88359083e625b133c735f5d96b0ab95cf305119ef98aea

Aliases

arxiv: 1304.5241 · arxiv_version: 1304.5241v1 · doi: 10.48550/arxiv.1304.5241 · pith_short_12: 2OWLK4WTGP7Z · pith_short_16: 2OWLK4WTGP7ZCW4I · pith_short_8: 2OWLK4WT

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/2OWLK4WTGP7ZCW4IGWIIHZRFWE \
  | 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: d3acb572d333ff915b88359083e625b133c735f5d96b0ab95cf305119ef98aea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b877989ea1988cbbabf844851c6a0c57a3cb2580aba77e426800c963c6f69d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-04-18T20:00:03Z",
    "title_canon_sha256": "549185046d72821a0576a45d8cdcbadcba620e2ec9b0975c62939487c5f0295d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5241",
    "kind": "arxiv",
    "version": 1
  }
}