Pith Number

pith:IK7CZ2BR

pith:2009:IK7CZ2BRVVL7FWUSIS4PFAXG7F

not attested not anchored not stored refs pending

The PULSE@Parkes project: A new observing technique for long-term pulsar monitoring

A. Kovacevic, B. Homewood, D. Champion, D. McKinnon, D. Yardley, F. Jenet, G. Hobbs, J. Chapman, J. Khoo, L. Danaia, M. Burgay, M. Carr, M. Keith, M. Mao, M. Mulcahy, R. Hollow, S. Amy, S. Burke-Spolaor, S. Oslowski, W. van Straten

arxiv:0907.4847 v1 · 2009-07-28 · 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{IK7CZ2BRVVL7FWUSIS4PFAXG7F}

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	2026-05-18T02:12:47.196122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42be2ce831ad57f2da9244b8f282e6f978d301a1dbbae9f2d823aacfcb028631

Aliases

arxiv: 0907.4847 · arxiv_version: 0907.4847v1 · doi: 10.48550/arxiv.0907.4847 · pith_short_12: IK7CZ2BRVVL7 · pith_short_16: IK7CZ2BRVVL7FWUS · pith_short_8: IK7CZ2BR

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/IK7CZ2BRVVL7FWUSIS4PFAXG7F \
  | 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: 42be2ce831ad57f2da9244b8f282e6f978d301a1dbbae9f2d823aacfcb028631

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12f5a172fb8b26c8f1348832e1b42845179ffaaae657cbd69c60483909420ada",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-07-28T06:43:49Z",
    "title_canon_sha256": "6fdb019c143dc566811c3bab73d763f2e6fd95d1fb1942fba0d1ce4f74199ee7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4847",
    "kind": "arxiv",
    "version": 1
  }
}