Pith Number

pith:OK7NZZQG

pith:2015:OK7NZZQG5CLMACMBLB3QRS5PE6

not attested not anchored not stored refs pending

What brakes the Crab pulsar?

A. \v{C}ade\v{z}, C. Barbieri, D. Ponikvar, G. Naletto, L. Zampieri, M. Barbieri, M. Calvani

arxiv:1512.05606 v1 · 2015-12-17 · 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{OK7NZZQG5CLMACMBLB3QRS5PE6}

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	2026-05-18T01:20:08.577583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72bedce606e896c00981587708cbaf278bf36ce32cfe5df6c4057ae357f5e565

Aliases

arxiv: 1512.05606 · arxiv_version: 1512.05606v1 · doi: 10.48550/arxiv.1512.05606 · pith_short_12: OK7NZZQG5CLM · pith_short_16: OK7NZZQG5CLMACMB · pith_short_8: OK7NZZQG

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/OK7NZZQG5CLMACMBLB3QRS5PE6 \
  | 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: 72bedce606e896c00981587708cbaf278bf36ce32cfe5df6c4057ae357f5e565

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b640608a91fd8c87b5350e2405ab4a0b8df2b67556b1eb7bc84f153b188f5051",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-12-17T14:43:42Z",
    "title_canon_sha256": "4dea774bdace817225d50406eeecea3cd41d7145d03f065335bd41a36a8e7548"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05606",
    "kind": "arxiv",
    "version": 1
  }
}