Pith Number

pith:SFREZHLL

pith:2009:SFREZHLL5H5PK52MGQHC4KYGHT

not attested not anchored not stored refs pending

Pulsar Timing with the Parkes Radio Telescope for the Fermi Mission

A. Possenti, B., B. Kiziltan, D. Champion, G. B. Hobbs, J. E. Reynolds, K. Watters, M. Burgay, M. Keith, P. Weltevrede, R. Bhat, R. N. Manchester, S. Johnston

arxiv:0909.5510 v1 · 2009-09-30 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFREZHLL5H5PK52MGQHC4KYGHT}

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	2026-05-18T02:11:36.156116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91624c9d6be9faf5774c340e2e2b063cfaa2567ba1e0f7bb9a79674400e127b1

Aliases

arxiv: 0909.5510 · arxiv_version: 0909.5510v1 · doi: 10.48550/arxiv.0909.5510 · pith_short_12: SFREZHLL5H5P · pith_short_16: SFREZHLL5H5PK52M · pith_short_8: SFREZHLL

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/SFREZHLL5H5PK52MGQHC4KYGHT \
  | 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: 91624c9d6be9faf5774c340e2e2b063cfaa2567ba1e0f7bb9a79674400e127b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f121a3db0a14f301c8af35d14b72758816fb22532d6181938fd3a51feb098b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-09-30T04:46:41Z",
    "title_canon_sha256": "a2353753b107a788ae9919ab79cb2027c1e3b66fbc603f4631d937cfdcafe2e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5510",
    "kind": "arxiv",
    "version": 1
  }
}