Pith Number

pith:UCCYASNR

pith:1999:UCCYASNRX2H2VXPGVFZR74LKMP

not attested not anchored not stored refs pending

Radio Pulsars - An Observer's Perspective

D. R. Lorimer

arxiv:astro-ph/9911324 v2 · 1999-11-17 · 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{UCCYASNRX2H2VXPGVFZR74LKMP}

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	2026-07-04T14:17:20.507244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0858049b1be8faadde6a9731ff16a63ed51592cbf5e2b753012b228072f74d9

Aliases

arxiv: astro-ph/9911324 · arxiv_version: astro-ph/9911324v2 · doi: 10.48550/arxiv.astro-ph/9911324 · pith_short_12: UCCYASNRX2H2 · pith_short_16: UCCYASNRX2H2VXPG · pith_short_8: UCCYASNR

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/UCCYASNRX2H2VXPGVFZR74LKMP \
  | 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: a0858049b1be8faadde6a9731ff16a63ed51592cbf5e2b753012b228072f74d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ffec52c73605f77033a4a017b26ffb6a8415187f6fced259fff85a5a44aa190",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-11-17T01:33:26Z",
    "title_canon_sha256": "959688e424157fe5f079872d4eb16db769c79a638b08c7b3277fb127a114cdba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9911324",
    "kind": "arxiv",
    "version": 2
  }
}