Pith Number

pith:5KJUL72J

pith:1998:5KJUL72JLROY6AXOEH7PSJO67S

not attested not anchored not stored refs pending

Local Pulsars; A note on the Birth-Velocity Distribution

(2) Astronomical Institute, A. Blaauw (1), Amsterdam, Groningen, R. Ramachandran (2) ((1) Kapteyn Institute, the Netherlands), The Netherlands, UvA

arxiv:astro-ph/9806292 v1 · 1998-06-22 · 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{5KJUL72JLROY6AXOEH7PSJO67S}

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	2026-07-04T16:06:47.478830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea9345ff495c5d8f02ee21fef925defcaa324f81435540a896c212fedbfc5f59

Aliases

arxiv: astro-ph/9806292 · arxiv_version: astro-ph/9806292v1 · doi: 10.48550/arxiv.astro-ph/9806292 · pith_short_12: 5KJUL72JLROY · pith_short_16: 5KJUL72JLROY6AXO · pith_short_8: 5KJUL72J

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/5KJUL72JLROY6AXOEH7PSJO67S \
  | 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: ea9345ff495c5d8f02ee21fef925defcaa324f81435540a896c212fedbfc5f59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c0e9e63587727bdcadd3a51929312cb7c38a0c3e7433681bfd42955477b0645",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-06-22T12:19:05Z",
    "title_canon_sha256": "77ac62880f254425150f00710cf1e0f37dff836bb40f6d500e4fa332b13a7ea5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9806292",
    "kind": "arxiv",
    "version": 1
  }
}