Pith Number

pith:S4ZZBHJG

pith:2017:S4ZZBHJGV6UWMOWEHGONQMX2I4

not attested not anchored not stored refs pending

A Large Catalogue of Multi-wavelength GRB Afterglows I: Color Evolution And Its Physical Implication

Bing Zhang, Felix Ryde, Hoi-Fung Yu, Lang Shao, Liang Li, Xue-Feng Wu, Yong-Feng Huang, Yu Wang

arxiv:1712.03704 v4 · 2017-12-11 · 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{S4ZZBHJGV6UWMOWEHGONQMX2I4}

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	2026-05-17T23:58:23.196813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9733909d26afa9663ac4399cd832fa472f2cc65a9c79b561cca7ef721b6fd5ca

Aliases

arxiv: 1712.03704 · arxiv_version: 1712.03704v4 · doi: 10.48550/arxiv.1712.03704 · pith_short_12: S4ZZBHJGV6UW · pith_short_16: S4ZZBHJGV6UWMOWE · pith_short_8: S4ZZBHJG

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/S4ZZBHJGV6UWMOWEHGONQMX2I4 \
  | 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: 9733909d26afa9663ac4399cd832fa472f2cc65a9c79b561cca7ef721b6fd5ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42db4e154cb80feb8fae7124a1cbfd94c95f4117f14b8b6f82f5b62e893461de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-12-11T10:23:06Z",
    "title_canon_sha256": "4e48b41f81408392bc205cd0606d091d30cdaf0afc3f8877533332a10ec6e600"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03704",
    "kind": "arxiv",
    "version": 4
  }
}