Pith Number

pith:FBODZWDO

pith:2009:FBODZWDOACL2Y2XTWOFDUFHSAA

not attested not anchored not stored refs pending

Evidence for energy injection and a fine-tuned central engine at optical wavelengths in GRB 070419A

A. Gomboc, A. Melandri, A. Pozanenko, A.V. Filippenko, C.G. Mundell, C. Guidorzi, D. Bersier, E. Rol, I.A. Steele, M. Ibrahimov, N.R. Tanvir, P. Milne, R.J. Smith, S. Kobayashi, W. Li, Y. Urata

arxiv:0903.1414 v1 · 2009-03-08 · 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{FBODZWDOACL2Y2XTWOFDUFHSAA}

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	2026-07-04T17:14:32.348270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

285c3cd86e0097ac6af3b38a3a14f200240a1fdabb4c95800e75ab1c49983e4a

Aliases

arxiv: 0903.1414 · arxiv_version: 0903.1414v1 · doi: 10.48550/arxiv.0903.1414 · pith_short_12: FBODZWDOACL2 · pith_short_16: FBODZWDOACL2Y2XT · pith_short_8: FBODZWDO

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/FBODZWDOACL2Y2XTWOFDUFHSAA \
  | 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: 285c3cd86e0097ac6af3b38a3a14f200240a1fdabb4c95800e75ab1c49983e4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b934caf9af524f81cb95b4892f46ba32c7300ebb0320c94ae96ed04a1e64ef61",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-03-08T12:40:12Z",
    "title_canon_sha256": "92df9addb42af26208aac9c68f30a1e535001d502d2bbe330daa9ed86101e2f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.1414",
    "kind": "arxiv",
    "version": 1
  }
}