Pith Number

pith:4UGAGYOQ

pith:2016:4UGAGYOQ76IHB4SG4I7CEX3WEI

not attested not anchored not stored refs pending

Discovery of a Redback Millisecond Pulsar Candidate: 3FGL J0212.1+5320

Albert K. H. Kong, Evangelia Tremou, Jay Strader, Jirong Mao, Kwan-Lok Li, Laura Chomiuk, Xian Hou

arxiv:1609.02951 v2 · 2016-09-09 · 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{4UGAGYOQ76IHB4SG4I7CEX3WEI}

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	2026-05-18T00:54:29.872704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e50c0361d0ff9070f246e23e225f762207ed6db6a98910c998c2a50bb6ebe4c7

Aliases

arxiv: 1609.02951 · arxiv_version: 1609.02951v2 · doi: 10.48550/arxiv.1609.02951 · pith_short_12: 4UGAGYOQ76IH · pith_short_16: 4UGAGYOQ76IHB4SG · pith_short_8: 4UGAGYOQ

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/4UGAGYOQ76IHB4SG4I7CEX3WEI \
  | 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: e50c0361d0ff9070f246e23e225f762207ed6db6a98910c998c2a50bb6ebe4c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "214ffc7d0d978f0994d5bc84b2bce860bae370367a095c1170348e8f89b97bfa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-09-09T21:44:29Z",
    "title_canon_sha256": "c593961721fce8ea5ae9b78006c2da5ed0fc63a05b19da4630fbbf05f4d0b52d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.02951",
    "kind": "arxiv",
    "version": 2
  }
}