Pith Number

pith:BU5FO5UJ

pith:2006:BU5FO5UJ54CBLKC326OW5BJ4VX

not attested not anchored not stored refs pending

The Parallax and Proper Motion of PSR J0030+0451

(2) Bryn Mawr College, (3) Princeton University, (4) University of British Columbia, (5) University of California Berkeley), Andrea N. Lommen (1), David J. Nice (2), Donald C. Backer (5) ((1) Franklin, Eric M. Splaver (3), Ingrid H. Stairs (4), Marshall College, Richard A. Kipphorn (1)

arxiv:astro-ph/0601521 v1 · 2006-01-23 · 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{BU5FO5UJ54CBLKC326OW5BJ4VX}

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	2026-07-04T16:57:50.900357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d3a577689ef0415a85bd79d6e853cadda3840d2d775053feae46b955e0c8d28

Aliases

arxiv: astro-ph/0601521 · arxiv_version: astro-ph/0601521v1 · doi: 10.48550/arxiv.astro-ph/0601521 · pith_short_12: BU5FO5UJ54CB · pith_short_16: BU5FO5UJ54CBLKC3 · pith_short_8: BU5FO5UJ

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/BU5FO5UJ54CBLKC326OW5BJ4VX \
  | 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: 0d3a577689ef0415a85bd79d6e853cadda3840d2d775053feae46b955e0c8d28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73ecafef2053d6f5be72d20696982168c1af3d455a319416e1b161a75a42115c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-01-23T21:07:27Z",
    "title_canon_sha256": "767a3f15899c2c40e79a154b6fee7e2eb444c9d9bde6468fda781c6e1f3d56ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0601521",
    "kind": "arxiv",
    "version": 1
  }
}