Pith Number

pith:A4SOQ4FL

pith:2012:A4SOQ4FLSWKL6I7CMW64X4EUZY

not attested not anchored not stored refs pending

Formation of the planet around the millisecond pulsar J1719-1438

G. Nelemans, L. M. van Haaften, P. G. Jonker, R. Voss

arxiv:1203.2919 v2 · 2012-03-13 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A4SOQ4FLSWKL6I7CMW64X4EUZY}

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	2026-05-18T03:44:24.204762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0724e870ab9594bf23e265bdcbf094ce28babb369df8387d1e5569f7e197555f

Aliases

arxiv: 1203.2919 · arxiv_version: 1203.2919v2 · doi: 10.48550/arxiv.1203.2919 · pith_short_12: A4SOQ4FLSWKL · pith_short_16: A4SOQ4FLSWKL6I7C · pith_short_8: A4SOQ4FL

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/A4SOQ4FLSWKL6I7CMW64X4EUZY \
  | 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: 0724e870ab9594bf23e265bdcbf094ce28babb369df8387d1e5569f7e197555f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f604fc7521df084730e89e23bbacb6df9427d03c3c43998f143a50c5c0cf2e7",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-03-13T20:00:02Z",
    "title_canon_sha256": "f48c45af4fc7152bef377c104dbcc44b9f2da431c4848ce9408499728ea538d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2919",
    "kind": "arxiv",
    "version": 2
  }
}