Pith Number

pith:WVDZG3W4

pith:2013:WVDZG3W44RGOEFCBAIGUK55ANT

not attested not anchored not stored refs pending

Swift observations of 1FGL J1018.6-5856

Fiona A. Harrison, Francois Dufour, Hongjun An, Victoria M. Kaspi

arxiv:1308.1650 v1 · 2013-08-07 · 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{WVDZG3W44RGOEFCBAIGUK55ANT}

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	2026-05-18T01:48:22.614351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b547936edce44ce21441020d4577a06ceb4b758495b81ee3232c8a579b33e608

Aliases

arxiv: 1308.1650 · arxiv_version: 1308.1650v1 · doi: 10.48550/arxiv.1308.1650 · pith_short_12: WVDZG3W44RGO · pith_short_16: WVDZG3W44RGOEFCB · pith_short_8: WVDZG3W4

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/WVDZG3W44RGOEFCBAIGUK55ANT \
  | 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: b547936edce44ce21441020d4577a06ceb4b758495b81ee3232c8a579b33e608

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c939eacaa6a8cf03d07207d051944042cac431a583bb9eed8d0404d496da8545",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-08-07T18:13:35Z",
    "title_canon_sha256": "ad4535db50d78fe911c655b6bcf773892cec96f0664fc151c9a8d44876c662fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1650",
    "kind": "arxiv",
    "version": 1
  }
}