Pith Number

pith:QPH2DQTV

pith:2016:QPH2DQTVNYETTL23DGAGGLXXZP

not attested not anchored not stored refs pending

A millisecond pulsar candidate in a 21-hr orbit: 3FGL J0212.1+5320

((1) IAC, 2, 2), (2) ULL, 3), (3) NTNU, 4), (4) Oxford, 5), (5) ING), Cecilia Fari\~na (1, Jorge Casares (1, Manuel Linares (1, Pablo Rodr\'iguez-Gil (1, Paulo Miles-P\'aez (1, Raine Karjalainen (5), Tariq Shahbaz (1

arxiv:1609.02232 v2 · 2016-09-08 · 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{QPH2DQTVNYETTL23DGAGGLXXZP}

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	2026-05-18T00:53:07.538094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83cfa1c2756e0939af5b1980632ef7cbea33355a7b8979ba3dcc5a399ddc68bf

Aliases

arxiv: 1609.02232 · arxiv_version: 1609.02232v2 · doi: 10.48550/arxiv.1609.02232 · pith_short_12: QPH2DQTVNYET · pith_short_16: QPH2DQTVNYETTL23 · pith_short_8: QPH2DQTV

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/QPH2DQTVNYETTL23DGAGGLXXZP \
  | 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: 83cfa1c2756e0939af5b1980632ef7cbea33355a7b8979ba3dcc5a399ddc68bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ec8d0d34f3eb63f38d62d7bff7b315ad66b0cab230971f669c4db3c242e2f65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-09-08T00:22:10Z",
    "title_canon_sha256": "d01b109423b46c397d89ab0117eb49f566a34ea3208c7a4981d133a74cbfb7e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.02232",
    "kind": "arxiv",
    "version": 2
  }
}