Pith Number

pith:GCDQUQHI

pith:2000:GCDQUQHI63FASNGBHEYVP7MKBH

not attested not anchored not stored refs pending

A Search for Sub-TeV Gammas in Coincidence with Gamma Ray Bursts

C. D'Andrea, D. Race, G. J. Mathews, J. Gress, J. Poirier, P. C. Fragile

arxiv:astro-ph/0004379 v4 · 2000-04-27 · 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{GCDQUQHI63FASNGBHEYVP7MKBH}

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	2026-07-04T14:10:19.713217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30870a40e8f6ca0934c1393157fd8a09e0c9c154c462010df09a5d457ac44c1f

Aliases

arxiv: astro-ph/0004379 · arxiv_version: astro-ph/0004379v4 · doi: 10.48550/arxiv.astro-ph/0004379 · pith_short_12: GCDQUQHI63FA · pith_short_16: GCDQUQHI63FASNGB · pith_short_8: GCDQUQHI

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/GCDQUQHI63FASNGBHEYVP7MKBH \
  | 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: 30870a40e8f6ca0934c1393157fd8a09e0c9c154c462010df09a5d457ac44c1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac1b896a4d5e58e8b7c7496828b64c24bf780c08e5270154cc92e364b0a157e7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-04-27T16:22:46Z",
    "title_canon_sha256": "4fa6abef2f7146a2d0d9e1fc575af8b5a79ec927d9e41502cde21894df706fe7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0004379",
    "kind": "arxiv",
    "version": 4
  }
}