Pith Number

pith:ZAP7U2BU

pith:2005:ZAP7U2BUTXYE4RXZIFED46CS67

not attested not anchored not stored refs pending

Very Early Optical Afterglows of Gamma-Ray Bursts: Evidence for Relative Paucity of Detection

A.A. Breeveld, A. Cucchiara, A.J. Blustin, A.N. Morgan, B. Zhang, C. Gronwall, C. James, D.B. Fox, D. Grupe, D.M. Palmer, D.N. Burrows, D. Vanden Berk, E.E. Fenimore, E. Liang, E. Rol, G. Tagliaferri, J.A. Kennea, J.A. Nousek, J.E. Rhoads, J.P. Osborne, K.L. Page, K. McGowan, K.O. Mason, M. De Pasquale, M.D. Still, M. Ivanushkina, M.R. Goad, N. Gehrels, P. Brown, P. Meszaros, P. Schady, P.T. Boyd, P.W.A. Roming, S.D. Barthelmy, S. Kobayashi, S.R. Rosen, S.T. Holland, S. Zane, T. Poole, V. Mangano, W.B. Landsman

arxiv:astro-ph/0509273 v2 · 2005-09-10 · 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{ZAP7U2BUTXYE4RXZIFED46CS67}

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	2026-07-04T16:52:53.241737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c81ffa68349df04e46f941483e7852f7ddda7931f837ed645a2ba3552a3206f3

Aliases

arxiv: astro-ph/0509273 · arxiv_version: astro-ph/0509273v2 · doi: 10.48550/arxiv.astro-ph/0509273 · pith_short_12: ZAP7U2BUTXYE · pith_short_16: ZAP7U2BUTXYE4RXZ · pith_short_8: ZAP7U2BU

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/ZAP7U2BUTXYE4RXZIFED46CS67 \
  | 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: c81ffa68349df04e46f941483e7852f7ddda7931f837ed645a2ba3552a3206f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4e306a4f9d50f8a1f316db1cf4b2ea1e03f9a2792a4575648b7b3a7dd809532",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-10T22:24:30Z",
    "title_canon_sha256": "7c8b09119e1b80d271236a0e9d44d8555b8f3ab5c5a678dc4f4cf8a200609a63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509273",
    "kind": "arxiv",
    "version": 2
  }
}