Pith Number

pith:2LYFQ6RS

pith:2002:2LYFQ6RST46CTR6KSTAFYTOZLD

not attested not anchored not stored refs pending

Time-Dependent Optical Spectroscopy of GRB 010222: Clues to the GRB Environment

D. A. Frail, D. E. Reichart, F. A. Harrison, H. Ebeling, J. P. Halpern, J. S. Bloom, N. Mirabal, P. A. Price, S. Castro, S. G. Djorgovski, S. R. Kulkarni, T. J. Galama

arxiv:astro-ph/0207009 v1 · 2002-06-29 · 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{2LYFQ6RST46CTR6KSTAFYTOZLD}

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	2026-07-04T16:30:18.297308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2f0587a329f3c29c7ca94c05c4dd958cca827258a9b57d0e6c976deede7372e

Aliases

arxiv: astro-ph/0207009 · arxiv_version: astro-ph/0207009v1 · doi: 10.48550/arxiv.astro-ph/0207009 · pith_short_12: 2LYFQ6RST46C · pith_short_16: 2LYFQ6RST46CTR6K · pith_short_8: 2LYFQ6RS

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/2LYFQ6RST46CTR6KSTAFYTOZLD \
  | 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: d2f0587a329f3c29c7ca94c05c4dd958cca827258a9b57d0e6c976deede7372e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bbc6249076bfa23bacf11c804856f26391bf1f0149a4775f9d7cccb7fe8c63a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-06-29T20:40:20Z",
    "title_canon_sha256": "56fa35e06d765b1f0e1fda00038ffe2a026f1495e455fd718c780b685c29ca6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0207009",
    "kind": "arxiv",
    "version": 1
  }
}