Pith Number

pith:WACPAZKU

pith:2008:WACPAZKU4HYVMRYGF56UEBELNW

not attested not anchored not stored refs pending

Massive star formation in Wolf-Rayet galaxies: I. Optical and NIR photometric results

Angel R. Lopez-Sanchez (CSIRO/Atnf, Cesar Esteban (IAC), IAC)

arxiv:0811.0202 v1 · 2008-11-03 · 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{WACPAZKU4HYVMRYGF56UEBELNW}

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	2026-05-18T04:14:36.273515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b004f06554e1f15647062f7d42048b6db65e8fdb1e246103c242f75cbf113a0c

Aliases

arxiv: 0811.0202 · arxiv_version: 0811.0202v1 · doi: 10.48550/arxiv.0811.0202 · pith_short_12: WACPAZKU4HYV · pith_short_16: WACPAZKU4HYVMRYG · pith_short_8: WACPAZKU

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/WACPAZKU4HYVMRYGF56UEBELNW \
  | 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: b004f06554e1f15647062f7d42048b6db65e8fdb1e246103c242f75cbf113a0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a683e0ece88b10f3f1f3119bc63fef08aa86c49980659c0eafe9cbe5fabcf73b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-03T01:02:42Z",
    "title_canon_sha256": "025374f2a4cfcb8356f731cf0ff590a1007cf5959d340d7a6ded00d10a49f319"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.0202",
    "kind": "arxiv",
    "version": 1
  }
}