Pith Number

pith:YPMUGJFP

pith:1997:YPMUGJFP5WQOKIKPW2LQ3ZGZA3

not attested not anchored not stored refs pending

Results from GROCSE: A Real-time Search for Gamma Ray Burst Optical Counterparts

Brian Lee, Carl Akerlof, David Band, Donald Ferguson, Kevin Hurley, Neil Gehrels, Paul Butterworth, Scott Barthelmy, Thomas Cline

arxiv:astro-ph/9702168 v3 · 1997-02-19 · 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{YPMUGJFP5WQOKIKPW2LQ3ZGZA3}

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	2026-07-04T15:07:17.243937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3d94324afeda0e5214fb6970de4d906c27bb6da9f8f322e1eb3baeb52dabdab

Aliases

arxiv: astro-ph/9702168 · arxiv_version: astro-ph/9702168v3 · doi: 10.48550/arxiv.astro-ph/9702168 · pith_short_12: YPMUGJFP5WQO · pith_short_16: YPMUGJFP5WQOKIKP · pith_short_8: YPMUGJFP

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/YPMUGJFP5WQOKIKPW2LQ3ZGZA3 \
  | 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: c3d94324afeda0e5214fb6970de4d906c27bb6da9f8f322e1eb3baeb52dabdab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae93f0b78ba399050c604819934762f74630a449c48408e17e5a6cce2b2e234d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-02-19T20:18:22Z",
    "title_canon_sha256": "037999603478faf873d93047bfea94a6bea0ba46dd4a3171bfe3411a55d748cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9702168",
    "kind": "arxiv",
    "version": 3
  }
}