Pith Number

pith:Q25POEJF

pith:2011:Q25POEJFDABYCR7P2TVA3EMFJU

not attested not anchored not stored refs pending

A detailed spectral study of GRB 041219A and its host galaxy

A. Fernandez-Soto, D. Gotz, F. Daigne, P. Esposito, R. Hascoet, R. Mochkovitch, S. Covino

arxiv:1103.3663 v1 · 2011-03-18 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q25POEJFDABYCR7P2TVA3EMFJU}

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	2026-05-18T02:02:49.653124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86baf7112518038147efd4ea0d91854d3713b3b5a8412d7460fdffa2d596b8f0

Aliases

arxiv: 1103.3663 · arxiv_version: 1103.3663v1 · doi: 10.48550/arxiv.1103.3663 · pith_short_12: Q25POEJFDABY · pith_short_16: Q25POEJFDABYCR7P · pith_short_8: Q25POEJF

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/Q25POEJFDABYCR7P2TVA3EMFJU \
  | 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: 86baf7112518038147efd4ea0d91854d3713b3b5a8412d7460fdffa2d596b8f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69e9ccc6d0fb91936e391693389d45ea32a8aeecf3478471dd61100a0b912f8a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-03-18T16:51:01Z",
    "title_canon_sha256": "93aac4e8f61fbea934e2e4e92697079586d900cbaf557ac5a0746251591e0618"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3663",
    "kind": "arxiv",
    "version": 1
  }
}