Pith Number

pith:5GSUD7WF

pith:2006:5GSUD7WFFEHGOOJLMJ7WZMM4WL

not attested not anchored not stored refs pending

The frontier of darkness: the cases of GRB 040223, GRB 040422, GRB 040624

A. Cucchiara, A. De Luca, B. McBreen, D. Fugazza, D. G\"otz, D. Malesani, G. Chincarini, G. L. Israel, G. Tagliaferri, J. A. Nousek, L. A. Antonelli, L. Hanlon, L. Moran, L. Stella, M. Della Valle, N. Gehrels, P. D'Avanzo, P. Filliatre, P. Goldoni, R. Perna, S. Campana, S. Covino, S. Foley, S. McBreen, S. McGlynn, S. Mereghetti

arxiv:astro-ph/0601567 v1 · 2006-01-25 · 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{5GSUD7WFFEHGOOJLMJ7WZMM4WL}

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	2026-07-04T16:57:51.703375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9a541fec5290e67392b627f6cb19cb2c50d01f9deaf37a12269eaab363955f9

Aliases

arxiv: astro-ph/0601567 · arxiv_version: astro-ph/0601567v1 · doi: 10.48550/arxiv.astro-ph/0601567 · pith_short_12: 5GSUD7WFFEHG · pith_short_16: 5GSUD7WFFEHGOOJL · pith_short_8: 5GSUD7WF

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/5GSUD7WFFEHGOOJLMJ7WZMM4WL \
  | 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: e9a541fec5290e67392b627f6cb19cb2c50d01f9deaf37a12269eaab363955f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04ef44d05739654c5bb6298c855181e2f9d07aeb79fe8aa2bdb8b491e12caa18",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-01-25T12:42:09Z",
    "title_canon_sha256": "e326b0fbace6d2cf55c7962474fc24c0525e77b8c1175cb1966df6fb706f6bb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0601567",
    "kind": "arxiv",
    "version": 1
  }
}