Pith Number

pith:U6XFDX7J

pith:2004:U6XFDX7J3UP4JMPDQS47XS3ME7

not attested not anchored not stored refs pending

GRB 021211 as a Faint Analogue of GRB 990123: Exploring the Similarities and Differences in their Optical Afterglows

2), (2) Notre Dame, (3) STScI, (4) Harvard-Smithsonian Centre for Astrophysics), Brian McLeod (4), David Bersier (3), J. S. Bloom (4), Kevin Luhman (4), K. Z. Stanek (4) ((1) USRA & NASA's GSFC, Nelson Caldwell (4), Peter Challis (4), Peter G. Garnavich (2), Robert Kirshner (4), Stephen T. Holland (1

arxiv:astro-ph/0405062 v2 · 2004-05-04 · 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{U6XFDX7J3UP4JMPDQS47XS3ME7}

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	2026-05-18T02:40:26.451299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7ae51dfe9dd1fc4b1e384b9fbcb6c27e66acf730ab1803a5c0fea42b547eecb

Aliases

arxiv: astro-ph/0405062 · arxiv_version: astro-ph/0405062v2 · doi: 10.48550/arxiv.astro-ph/0405062 · pith_short_12: U6XFDX7J3UP4 · pith_short_16: U6XFDX7J3UP4JMPD · pith_short_8: U6XFDX7J

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/U6XFDX7J3UP4JMPDQS47XS3ME7 \
  | 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: a7ae51dfe9dd1fc4b1e384b9fbcb6c27e66acf730ab1803a5c0fea42b547eecb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f370e9ca4d044a279099d78bc610786611ee8d035b9adb7b791ab7f03e063f3c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-05-04T17:13:54Z",
    "title_canon_sha256": "e1fad481d695fd40e33f4c8e8d9d58467e78eebe70017e16a953f72c9adc3c3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0405062",
    "kind": "arxiv",
    "version": 2
  }
}