Pith Number

pith:O2MBTTXT

pith:2013:O2MBTTXTU7NNFHXBSFLFBUQ6VM

not attested not anchored not stored refs pending

Wind collisions in three massive stars of Cyg OB2

Constantin Cazorla, Gregor Rauw (Univ. of Liege), Yael Naze

arxiv:1312.1871 v1 · 2013-12-06 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O2MBTTXTU7NNFHXBSFLFBUQ6VM}

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	2026-05-18T01:45:57.859436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

769819cef3a7dad29ee1915650d21eab33229a331e5540e06e4130f96ac717c9

Aliases

arxiv: 1312.1871 · arxiv_version: 1312.1871v1 · doi: 10.48550/arxiv.1312.1871 · pith_short_12: O2MBTTXTU7NN · pith_short_16: O2MBTTXTU7NNFHXB · pith_short_8: O2MBTTXT

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/O2MBTTXTU7NNFHXBSFLFBUQ6VM \
  | 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: 769819cef3a7dad29ee1915650d21eab33229a331e5540e06e4130f96ac717c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9207d9f97de40543380d3509ce4179c8ecb64dc1d5d62a4ba9bb497524045dd",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-12-06T14:25:13Z",
    "title_canon_sha256": "b5a0ff0a26ad898c6c2311c98b4e3f26f43a4d3ae2a1f905b23ebeee25db4c99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1871",
    "kind": "arxiv",
    "version": 1
  }
}