Pith Number

pith:PMQ37V4Q

pith:2010:PMQ37V4Q4XBLW4UFD7Z22R64MK

not attested not anchored not stored refs pending

The LOFAR Known Pulsar Data Pipeline

A. Alexov, B. Stappers, J. D. Mol, J. van Leeuwen, J. W. T. Hessels

arxiv:1012.1583 v1 · 2010-12-07 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PMQ37V4Q4XBLW4UFD7Z22R64MK}

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	2026-05-18T02:23:07.968540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b21bfd790e5c2bb72851ff3ad47dc62893b68a0a0d108443442319b85927f52

Aliases

arxiv: 1012.1583 · arxiv_version: 1012.1583v1 · doi: 10.48550/arxiv.1012.1583 · pith_short_12: PMQ37V4Q4XBL · pith_short_16: PMQ37V4Q4XBLW4UF · pith_short_8: PMQ37V4Q

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/PMQ37V4Q4XBLW4UFD7Z22R64MK \
  | 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: 7b21bfd790e5c2bb72851ff3ad47dc62893b68a0a0d108443442319b85927f52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed5986d9c926e7e0a887724367edac146d0586732fba2428ff385ee26ad0742d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-12-07T19:26:11Z",
    "title_canon_sha256": "5c6c74bf8a0aae778f561f2413a901c6e507d9b96103f48542da048258f7ed5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1583",
    "kind": "arxiv",
    "version": 1
  }
}