Pith Number

pith:5G7KK4BA

pith:2009:5G7KK4BAMQJO2VKOM45AB5G5YI

not attested not anchored not stored refs pending

Modeling the radio and optical/NIR afterglows of GRB 980703: a numerical study

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

arxiv:0908.2850 v2 · 2009-08-20 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5G7KK4BAMQJO2VKOM45AB5G5YI}

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	2026-05-18T02:12:24.864786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9bea570206412ed554e673a00f4ddc23d9013531f8128b32623f94262113bd9

Aliases

arxiv: 0908.2850 · arxiv_version: 0908.2850v2 · doi: 10.48550/arxiv.0908.2850 · pith_short_12: 5G7KK4BAMQJO · pith_short_16: 5G7KK4BAMQJO2VKO · pith_short_8: 5G7KK4BA

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/5G7KK4BAMQJO2VKOM45AB5G5YI \
  | 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: e9bea570206412ed554e673a00f4ddc23d9013531f8128b32623f94262113bd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58d1c96cc606e5e98000d95515b6b55902e2b3e6c8cfea8fc980c75e994bfb53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-08-20T03:44:10Z",
    "title_canon_sha256": "aaa80ba21f4f49fe748551556dcb3e91051cec1349837048ab6830df5e4cb655"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2850",
    "kind": "arxiv",
    "version": 2
  }
}