Pith Number

pith:FT3RU67M

pith:2005:FT3RU67MCWULSSLMTFK4C3VOXI

not attested not anchored not stored refs pending

GRB 050408: An Atypical Gamma-Ray Burst as a Probe of an Atypical Galactic Environment

B. Cobb, C. Bailyn, C. H. Blake, D. A. Perley, D. Pooley, E. E. Falco, G. Aldering, H.-W. Chen, J. S. Bloom, J. X. Prochaska, K. Roth, K. Volk, M. P. Kowalski, P. J. Green, R. J. Foley, S. Perlmutter, W. Li

arxiv:astro-ph/0512081 v1 · 2005-12-04 · 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{FT3RU67MCWULSSLMTFK4C3VOXI}

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	2026-07-04T16:53:07.368480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cf71a7bec15a8b9496c9955c16eaeba196199b590f29def89f88692fe3ceb2c

Aliases

arxiv: astro-ph/0512081 · arxiv_version: astro-ph/0512081v1 · doi: 10.48550/arxiv.astro-ph/0512081 · pith_short_12: FT3RU67MCWUL · pith_short_16: FT3RU67MCWULSSLM · pith_short_8: FT3RU67M

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/FT3RU67MCWULSSLMTFK4C3VOXI \
  | 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: 2cf71a7bec15a8b9496c9955c16eaeba196199b590f29def89f88692fe3ceb2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c6e58757032884099e73c4ddc83a330dfc762849f01f37c614bda32a90fa5ab",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-12-04T16:47:30Z",
    "title_canon_sha256": "66dd99b12333abc6473bd090620a02bd90aae595a3c1c877f5bf2acd581f678b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0512081",
    "kind": "arxiv",
    "version": 1
  }
}