Pith Number

pith:SFF7T3D4

pith:1999:SFF7T3D4IXMB7YDZEOONQVONI6

not attested not anchored not stored refs pending

Recent Arecibo Timing of the Relativistic Binary PSR B1534+12

D. J. Nice, I. H. Stairs, J. H. Taylor, S. E. Thorsett

arxiv:astro-ph/9903289 v2 · 1999-03-18 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFF7T3D4IXMB7YDZEOONQVONI6}

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	2026-07-04T14:16:37.390872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

914bf9ec7c45d81fe079239cd855cd47b140742a4d7a65db76002b8c39403eb3

Aliases

arxiv: astro-ph/9903289 · arxiv_version: astro-ph/9903289v2 · doi: 10.48550/arxiv.astro-ph/9903289 · pith_short_12: SFF7T3D4IXMB · pith_short_16: SFF7T3D4IXMB7YDZ · pith_short_8: SFF7T3D4

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/SFF7T3D4IXMB7YDZEOONQVONI6 \
  | 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: 914bf9ec7c45d81fe079239cd855cd47b140742a4d7a65db76002b8c39403eb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7608dbfa11fec2663108e77311a966da0600ad58edc1b857e4dd6157e1cfed2f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-03-18T18:46:15Z",
    "title_canon_sha256": "7b6b1945fe28eb5b8c02d9f7738942b0acc847c80926c8ccf0b2fae5c1ea0e23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9903289",
    "kind": "arxiv",
    "version": 2
  }
}