Pith Number

pith:ZNRQHVZU

pith:2005:ZNRQHVZUF34HKAS7PKM5EDR6FT

not attested not anchored not stored refs pending

Non-thermal radio emission from O-type stars. I. HD 168112

D. Y. A. Setia Gunawan, G. Rauw, J.M. Chapman, M.C. Runacres, M. De Becker, R. Blomme, S. Van Loo

arxiv:astro-ph/0502456 v2 · 2005-02-22 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZNRQHVZUF34HKAS7PKM5EDR6FT}

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	2026-05-18T01:40:34.358589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb6303d7342ef875025f7a99d20e3e2ccbeb96e7aaeb514a6a126a39a6b90d9a

Aliases

arxiv: astro-ph/0502456 · arxiv_version: astro-ph/0502456v2 · doi: 10.48550/arxiv.astro-ph/0502456 · pith_short_12: ZNRQHVZUF34H · pith_short_16: ZNRQHVZUF34HKAS7 · pith_short_8: ZNRQHVZU

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/ZNRQHVZUF34HKAS7PKM5EDR6FT \
  | 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: cb6303d7342ef875025f7a99d20e3e2ccbeb96e7aaeb514a6a126a39a6b90d9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a48e6590f1fa17e5eddff45b41c024b421a6f28637b57460cfcf5743632cd8f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-22T15:14:35Z",
    "title_canon_sha256": "83fd717580831f64ff8cf04b357e484ec72bf9705cb647bcdd1853c690608680"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502456",
    "kind": "arxiv",
    "version": 2
  }
}