Pith Number

pith:6UGHNF2T

pith:2018:6UGHNF2T5JAQJH45DGDAG5GCMG

not attested not anchored not stored refs pending

Probing the nature of AX J0043-737: Not an 87 ms pulsar in the SMC

A. Tiengo, C. Maitra, F. Acero, F. Haberl, J. Ballet, M.D. Filipovic, P. Esposito

arxiv:1801.01517 v1 · 2018-01-04 · 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{6UGHNF2T5JAQJH45DGDAG5GCMG}

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	2026-05-18T00:17:07.945738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f50c769753ea41049f9d19860374c2619e08ea46fc24953860fa057b5ad5ae1a

Aliases

arxiv: 1801.01517 · arxiv_version: 1801.01517v1 · doi: 10.48550/arxiv.1801.01517 · pith_short_12: 6UGHNF2T5JAQ · pith_short_16: 6UGHNF2T5JAQJH45 · pith_short_8: 6UGHNF2T

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/6UGHNF2T5JAQJH45DGDAG5GCMG \
  | 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: f50c769753ea41049f9d19860374c2619e08ea46fc24953860fa057b5ad5ae1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e3a86263ee0f19cca78a27c735f60f01caf69989de3ec116b5cbe77d84a280a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-01-04T19:17:26Z",
    "title_canon_sha256": "835e300478a489582c18bc2fd8d124a7854e19005f9f06cf19723c681debe913"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01517",
    "kind": "arxiv",
    "version": 1
  }
}