Pith Number

pith:Q2EDTYIM

pith:2007:Q2EDTYIMNUDKLMZ5ZIFOGRVVXY

not attested not anchored not stored refs pending

Interactions and star formation activity in Wolf-Rayet galaxies

\'Angel R. L\'opez-S\'anchez, C\'esar Esteban (Instituto de Astrof\'isica de Canarias, IAC, Spain)

arxiv:0704.2846 v1 · 2007-04-21 · 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{Q2EDTYIMNUDKLMZ5ZIFOGRVVXY}

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	2026-05-18T01:09:24.815456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

868839e10c6d06a5b33dca0ae346b5be3cc479027a280156f55dcc5d423434ed

Aliases

arxiv: 0704.2846 · arxiv_version: 0704.2846v1 · doi: 10.48550/arxiv.0704.2846 · pith_short_12: Q2EDTYIMNUDK · pith_short_16: Q2EDTYIMNUDKLMZ5 · pith_short_8: Q2EDTYIM

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/Q2EDTYIMNUDKLMZ5ZIFOGRVVXY \
  | 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: 868839e10c6d06a5b33dca0ae346b5be3cc479027a280156f55dcc5d423434ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aed916e7ed9fbe364c1bb10b6beb5f63e8ce68171b1386badb25c2b72d6c620d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-04-21T18:52:58Z",
    "title_canon_sha256": "b33a46e1542bcc9249f85cecc3ba9d0dd7ab3fde3cbeb8b0ece85c51a339fc1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.2846",
    "kind": "arxiv",
    "version": 1
  }
}