Pith Number

pith:ZGS4EYD2

pith:2008:ZGS4EYD2QWLI2OJTE2MFYNAUMZ

not attested not anchored not stored refs pending

Spectral hardness evolution characteristics of tracking Gamma-ray Burst pulses

L. Ma, L. M. Fang, R. J. Lu, Y. Y. Bao, Y. Yin, Z. Y. Peng

arxiv:0809.3620 v2 · 2008-09-22 · 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{ZGS4EYD2QWLI2OJTE2MFYNAUMZ}

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	2026-07-04T17:12:54.806798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9a5c2607a85968d393326985c3414664f084ce2a40f23a39c69e982a7cbf1ab

Aliases

arxiv: 0809.3620 · arxiv_version: 0809.3620v2 · doi: 10.48550/arxiv.0809.3620 · pith_short_12: ZGS4EYD2QWLI · pith_short_16: ZGS4EYD2QWLI2OJT · pith_short_8: ZGS4EYD2

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/ZGS4EYD2QWLI2OJTE2MFYNAUMZ \
  | 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: c9a5c2607a85968d393326985c3414664f084ce2a40f23a39c69e982a7cbf1ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e91452947ed9db5d208fc34ea7d3301b8d366a5e55cf5cbec392a4326aa3402c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-22T01:47:02Z",
    "title_canon_sha256": "0090f84590be68f54d2603cdc0336f35f5ad63127bee29419d80ddd01d680f47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.3620",
    "kind": "arxiv",
    "version": 2
  }
}