Pith Number

pith:GHW4U6J6

pith:2005:GHW4U6J6T4FVESYXXUDDXTLLKD

not attested not anchored not stored refs pending

GRB afterglows: deep Newtonian phase and its application

K.S. Cheng, T. Lu, Y.F. Huang

arxiv:astro-ph/0502555 v1 · 2005-02-26 · 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{GHW4U6J6T4FVESYXXUDDXTLLKD}

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	2026-05-18T04:36:30.170590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31edca793e9f0b524b17bd063bcd6b50d03d9a9c2beef101968a6f189ff4ec95

Aliases

arxiv: astro-ph/0502555 · arxiv_version: astro-ph/0502555v1 · doi: 10.48550/arxiv.astro-ph/0502555 · pith_short_12: GHW4U6J6T4FV · pith_short_16: GHW4U6J6T4FVESYX · pith_short_8: GHW4U6J6

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/GHW4U6J6T4FVESYXXUDDXTLLKD \
  | 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: 31edca793e9f0b524b17bd063bcd6b50d03d9a9c2beef101968a6f189ff4ec95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3a5645d8cbb8a79a7689ba60cce1334db9a22922b79efca5e99fa0057c5ecb6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-26T02:47:43Z",
    "title_canon_sha256": "d75f7fe1e8352747e44ef521d19c87404e518d72ff0751740f53da9d063e3b63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502555",
    "kind": "arxiv",
    "version": 1
  }
}