Pith Number

pith:OWHL2ZPQ

pith:2012:OWHL2ZPQYDRI4IAOWZGKDZ6JP7

not attested not anchored not stored refs pending

Pilot pulsar surveys with LOFAR

the LOFAR Pulsar Working Group, Thijs Coenen

arxiv:1211.1885 v1 · 2012-11-08 · astro-ph.IM · 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{OWHL2ZPQYDRI4IAOWZGKDZ6JP7}

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	2026-05-18T01:53:17.949713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

758ebd65f0c0e28e200eb64ca1e7c97fc4f24d58f068113a5d499c1f9d69858e

Aliases

arxiv: 1211.1885 · arxiv_version: 1211.1885v1 · doi: 10.48550/arxiv.1211.1885 · pith_short_12: OWHL2ZPQYDRI · pith_short_16: OWHL2ZPQYDRI4IAO · pith_short_8: OWHL2ZPQ

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/OWHL2ZPQYDRI4IAOWZGKDZ6JP7 \
  | 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: 758ebd65f0c0e28e200eb64ca1e7c97fc4f24d58f068113a5d499c1f9d69858e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "309ccc9a0692249a06d603c6496563e3fa1f02193016af6f4acd7e5299f85edc",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-11-08T15:42:28Z",
    "title_canon_sha256": "e54eb36c18c325aacb3f7bc38a4be046a3fb36019fc89d94765de8fd26015d24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1885",
    "kind": "arxiv",
    "version": 1
  }
}