Pith Number

pith:OT7OHJOJ

pith:2010:OT7OHJOJLFKSGXIMOTABY6MII2

not attested not anchored not stored refs pending

Radio emission from the massive stars in Westerlund 1

I. Negueruela, J.M. Chapman, J.S. Clark, S.M. Dougherty, T.W. Johnson

arxiv:1011.0775 v1 · 2010-11-02 · 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{OT7OHJOJLFKSGXIMOTABY6MII2}

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	2026-05-18T04:37:12.394184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74fee3a5c95955235d0c74c01c798846a9458117bbe4de3c53180d495795e361

Aliases

arxiv: 1011.0775 · arxiv_version: 1011.0775v1 · doi: 10.48550/arxiv.1011.0775 · pith_short_12: OT7OHJOJLFKS · pith_short_16: OT7OHJOJLFKSGXIM · pith_short_8: OT7OHJOJ

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/OT7OHJOJLFKSGXIMOTABY6MII2 \
  | 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: 74fee3a5c95955235d0c74c01c798846a9458117bbe4de3c53180d495795e361

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c68884ea4c9d68775e05e44b92b29ed6234e4a443e50d5666a8c5a301ccce04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-11-02T23:47:09Z",
    "title_canon_sha256": "32e2e7583f7675c01d9e7eecc1378a9b3455cf77b601a6a6b880ff6da9a014ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.0775",
    "kind": "arxiv",
    "version": 1
  }
}