Pith Number

pith:ZW4TKZZT

pith:2013:ZW4TKZZT7O6V32VFJC7PE3MUDB

not attested not anchored not stored refs pending

A Complete Sample of Long Bright Swift GRBs

A. Melandi, G. Ghirlanda, G. Ghisellini, G. Tagliaferri, L. Nava, P. D'Avanzo, R. Salvaterra, S. Campana, S. Covino, S. Vergani

arxiv:1309.2298 v1 · 2013-09-09 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZW4TKZZT7O6V32VFJC7PE3MUDB}

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	2026-05-18T03:13:45.172892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdb9356733fbbd5deaa548bef26d94184a75107cdb98b437d1fcace191d6eb1d

Aliases

arxiv: 1309.2298 · arxiv_version: 1309.2298v1 · doi: 10.48550/arxiv.1309.2298 · pith_short_12: ZW4TKZZT7O6V · pith_short_16: ZW4TKZZT7O6V32VF · pith_short_8: ZW4TKZZT

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/ZW4TKZZT7O6V32VFJC7PE3MUDB \
  | 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: cdb9356733fbbd5deaa548bef26d94184a75107cdb98b437d1fcace191d6eb1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6b756fcb6708215ce61faba2f5428613e909d63df00475529e9ba4a9e663365",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-09-09T20:00:42Z",
    "title_canon_sha256": "cdf04e58796840060473df83711c304f90182d1a519f82a2eb433543774c9d62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2298",
    "kind": "arxiv",
    "version": 1
  }
}