Pith Number

pith:242ZKIZ4

pith:2012:242ZKIZ4GHHHIX5Y7YHCKUSECN

not attested not anchored not stored refs pending

The optimal schedule for pulsar timing array observations

B. W.Stappers, C. G. Bassa, K. J. Lee, M. Kramer, R. Karuppusamy, R. Smits

arxiv:1204.4321 v1 · 2012-04-19 · astro-ph.IM · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{242ZKIZ4GHHHIX5Y7YHCKUSECN}

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.

Cited by

1 paper in Pith

Stochastic problems in pulsar timing

Receipt and verification

First computed	2026-05-18T01:57:48.825354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d73595233c31ce745fb8fe0e2552441358267ac4e39174ae052f1eda85714260

Aliases

arxiv: 1204.4321 · arxiv_version: 1204.4321v1 · doi: 10.48550/arxiv.1204.4321 · pith_short_12: 242ZKIZ4GHHH · pith_short_16: 242ZKIZ4GHHHIX5Y · pith_short_8: 242ZKIZ4

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/242ZKIZ4GHHHIX5Y7YHCKUSECN \
  | 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: d73595233c31ce745fb8fe0e2552441358267ac4e39174ae052f1eda85714260

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fde22e4dc5318b2a25df65e357ffe15809e83636fc6f1cff5726db6129d4dc1d",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-04-19T11:42:52Z",
    "title_canon_sha256": "92fe12c263ab51d8b1a021f028ef79141b3a76a3692741adf935379c6c7b8f45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4321",
    "kind": "arxiv",
    "version": 1
  }
}