Pith Number

pith:CD5OVHCM

pith:2011:CD5OVHCMETNQEOKLRTG5O7E7RF

not attested not anchored not stored refs pending

Two Populations of X-ray Pulsars Produced by Two Types of Supernovae

(2) University of Oxford), Christian Knigge (1), Malcolm Coe (1), Philipp Podsiadlowski (2) ((1) University of Southampton

arxiv:1111.2051 v1 · 2011-11-08 · astro-ph.SR · astro-ph.CO · astro-ph.GA · 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{CD5OVHCMETNQEOKLRTG5O7E7RF}

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	2026-05-18T01:59:43.496913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10faea9c4c24db02394b8ccdd77c9f896cbe42945f91bda4d7afd4842e72a7f3

Aliases

arxiv: 1111.2051 · arxiv_version: 1111.2051v1 · doi: 10.48550/arxiv.1111.2051 · pith_short_12: CD5OVHCMETNQ · pith_short_16: CD5OVHCMETNQEOKL · pith_short_8: CD5OVHCM

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/CD5OVHCMETNQEOKLRTG5O7E7RF \
  | 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: 10faea9c4c24db02394b8ccdd77c9f896cbe42945f91bda4d7afd4842e72a7f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1367156c01f844977af5b68630d51813fbca8baf58c25b13dac5e5d73c6f516f",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-11-08T21:00:04Z",
    "title_canon_sha256": "b5324ca68c8cdd218542e4c9642346e3225bf0315fcbf0cdb3a44ea7b781cdce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2051",
    "kind": "arxiv",
    "version": 1
  }
}