Pith Number

pith:SUBEWM4N

pith:2016:SUBEWM4NQKCGQHVIU42XBTQR25

not attested not anchored not stored refs pending

21-year timing of the black-widow pulsar J2051-0827

A. G. Lyne, A. Jessner, A. Possenti, B. W. Stappers, C. G. Bassa, C. Jordan, C. Tiburzi, D.J. Champion, D. Perrodin, E. Graikou, G. Desvignes, G. H. Janssen, G. Shaifullah, I. Cognard, J. P. W. Verbiest, J. W. McKee, K. Lazaridis, L. Guillemot, M. Kramer, N. Wex, P. C. C. Freire, P. Lazarus, R. Karuppusamy, R. N. Caballero, S. Os{\l}owski, T. M. Tauris

arxiv:1607.04167 v1 · 2016-07-14 · astro-ph.HE · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SUBEWM4NQKCGQHVIU42XBTQR25}

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	2026-05-18T01:08:38.157740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95024b338d8284681ea8a73570ce11d74d4f590aefccac4d97d48eb0d0fc3ec5

Aliases

arxiv: 1607.04167 · arxiv_version: 1607.04167v1 · doi: 10.48550/arxiv.1607.04167 · pith_short_12: SUBEWM4NQKCG · pith_short_16: SUBEWM4NQKCGQHVI · pith_short_8: SUBEWM4N

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/SUBEWM4NQKCGQHVIU42XBTQR25 \
  | 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: 95024b338d8284681ea8a73570ce11d74d4f590aefccac4d97d48eb0d0fc3ec5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d14e27c4f3b060816e5a5215bf5828af535cea9dd14a077d1b45659510b45d3",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-07-14T15:39:42Z",
    "title_canon_sha256": "d2fe436a92cb2f7631556cbe3eb6d9ce880a8c3096e52b5547f623f44e79b494"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04167",
    "kind": "arxiv",
    "version": 1
  }
}