Pith Number

pith:N4ITBAL3

pith:2010:N4ITBAL3TTHWQEMHTDDDUPOWKD

not attested not anchored not stored refs pending

SQM stars around pulsar PSR B1257+12

Joanna Ja{\l}ocha, {\L}ukasz Bratek, Marek Kutschera, Sebastian Kubis

arxiv:1010.2056 v1 · 2010-10-11 · astro-ph.EP · 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{N4ITBAL3TTHWQEMHTDDDUPOWKD}

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	2026-05-18T04:39:29.797805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f1130817b9ccf68118798c63a3dd650e89bea3451c03de552cac5a22bc29965

Aliases

arxiv: 1010.2056 · arxiv_version: 1010.2056v1 · doi: 10.48550/arxiv.1010.2056 · pith_short_12: N4ITBAL3TTHW · pith_short_16: N4ITBAL3TTHWQEMH · pith_short_8: N4ITBAL3

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/N4ITBAL3TTHWQEMHTDDDUPOWKD \
  | 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: 6f1130817b9ccf68118798c63a3dd650e89bea3451c03de552cac5a22bc29965

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75e1bcdc6f153300b7e86ca29d20de947dbbc76caa98a272897b2063b85c398b",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-10-11T10:21:41Z",
    "title_canon_sha256": "0346d6ebb37f73cc2d413e49e49785e896c3893f199d12364a8bcf257f95f955"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.2056",
    "kind": "arxiv",
    "version": 1
  }
}