Pith Number

pith:5IAHJ3GL

pith:2018:5IAHJ3GLNR2V6IFZ6T37IE7W76

not attested not anchored not stored refs pending

PSR J1618-3921: a recycled pulsar in an eccentric orbit

F. Octau, G. Desvignes, G. Theureau, I. Cognard, L. Guillemot, P. C. C. Freire, T. M. Tauris

arxiv:1801.07123 v1 · 2018-01-22 · astro-ph.HE · 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{5IAHJ3GLNR2V6IFZ6T37IE7W76}

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	2026-05-18T00:17:07.625337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea0074eccb6c755f20b9f4f7f413f6ff9249956329e81a1f48135ba566d515d1

Aliases

arxiv: 1801.07123 · arxiv_version: 1801.07123v1 · doi: 10.48550/arxiv.1801.07123 · pith_short_12: 5IAHJ3GLNR2V · pith_short_16: 5IAHJ3GLNR2V6IFZ · pith_short_8: 5IAHJ3GL

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/5IAHJ3GLNR2V6IFZ6T37IE7W76 \
  | 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: ea0074eccb6c755f20b9f4f7f413f6ff9249956329e81a1f48135ba566d515d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8295285e99dd70d04f194ae2b66d6c092a091c014ca8276dcb2464d81ee50cde",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-01-22T14:35:25Z",
    "title_canon_sha256": "e91d96c92edb694e0ec2753a7fbc8758755b39e53ddeee804c9122a917c2f7b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07123",
    "kind": "arxiv",
    "version": 1
  }
}