Pith Number

pith:XPTZLF73

pith:2015:XPTZLF73OLNEBG7SBCKVBSB2ZV

not attested not anchored not stored refs pending

Long-term Observations of Three Nulling Pulsars

A. G. Lyne, B. W. Stappers, M. Kramer, N. J. Young, P. Weltevrede

arxiv:1502.07675 v1 · 2015-02-26 · 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{XPTZLF73OLNEBG7SBCKVBSB2ZV}

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	2026-05-18T01:40:54.255717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbe79597fb72da409bf2089550c83acd6c62db6c06ab188bff2942ec828d69a9

Aliases

arxiv: 1502.07675 · arxiv_version: 1502.07675v1 · doi: 10.48550/arxiv.1502.07675 · pith_short_12: XPTZLF73OLNE · pith_short_16: XPTZLF73OLNEBG7S · pith_short_8: XPTZLF73

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/XPTZLF73OLNEBG7SBCKVBSB2ZV \
  | 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: bbe79597fb72da409bf2089550c83acd6c62db6c06ab188bff2942ec828d69a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af99bb513d3548b26a5d9237a1e78a8a5dc3378e8ccbf638f6cce956e14e2efe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-02-26T18:46:53Z",
    "title_canon_sha256": "7bf5aeea46a9a54a866b60edc6c6410afd76c390a1cd25611540562554fda987"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07675",
    "kind": "arxiv",
    "version": 1
  }
}