Pith Number

pith:TJWL2VFI

pith:2013:TJWL2VFIHYHITVXZCRDI7IBG2S

not attested not anchored not stored refs pending

An O2If* star found in isolation in the backyard of NGC 3603

A. Roman-Lopes

arxiv:1307.7061 v1 · 2013-07-26 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TJWL2VFIHYHITVXZCRDI7IBG2S}

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	2026-05-18T01:48:34.148929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a6cbd54a83e0e89d6f914468fa026d4a05dfa1af052cec8020bab437656c91e

Aliases

arxiv: 1307.7061 · arxiv_version: 1307.7061v1 · doi: 10.48550/arxiv.1307.7061 · pith_short_12: TJWL2VFIHYHI · pith_short_16: TJWL2VFIHYHITVXZ · pith_short_8: TJWL2VFI

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/TJWL2VFIHYHITVXZCRDI7IBG2S \
  | 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: 9a6cbd54a83e0e89d6f914468fa026d4a05dfa1af052cec8020bab437656c91e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1180462ab0490f31236c940d49e15d8a42fc0c91a851ec677149da31b84df10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-07-26T15:06:38Z",
    "title_canon_sha256": "854eaa3579e0e54de99faa4913a7ba29a02a00c29260886053b39d6b6e84d993"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7061",
    "kind": "arxiv",
    "version": 1
  }
}