Pith Number

pith:J35PJBQN

pith:2013:J35PJBQNE5VIWWJ5PPJLLFRD44

not attested not anchored not stored refs pending

Pulsars are Born as Magnetars

Ricardo Heras

arxiv:1302.1278 v1 · 2013-02-06 · 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{J35PJBQNE5VIWWJ5PPJLLFRD44}

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	2026-05-18T03:10:24.238080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4efaf4860d276a8b593d7bd2b59623e704a99222b1d67c5e3d4f3006140797ea

Aliases

arxiv: 1302.1278 · arxiv_version: 1302.1278v1 · doi: 10.48550/arxiv.1302.1278 · pith_short_12: J35PJBQNE5VI · pith_short_16: J35PJBQNE5VIWWJ5 · pith_short_8: J35PJBQN

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/J35PJBQNE5VIWWJ5PPJLLFRD44 \
  | 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: 4efaf4860d276a8b593d7bd2b59623e704a99222b1d67c5e3d4f3006140797ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2af543997cfa5f562a20e394cbbf4b8b229fe486ea4bde9da142b9b074e401b8",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-02-06T07:16:27Z",
    "title_canon_sha256": "d02abe06f16fb08f551326b0e56dc9e31ccbd584bbb79d21c1ca9147bd2a5add"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1278",
    "kind": "arxiv",
    "version": 1
  }
}