Pith Number

pith:XY33ZZLK

pith:2006:XY33ZZLKSD2KUD73IBFQBCFNSK

not attested not anchored not stored refs pending

URAT: astrometric requirements and design history

A. Rakich (EOST), H. Epps (UCSC), N. Zacharias (USNO), U. Laux (Tautenburg)

arxiv:astro-ph/0606193 v1 · 2006-06-08 · 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{XY33ZZLKSD2KUD73IBFQBCFNSK}

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	2026-07-04T16:58:50.993418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be37bce56a90f4aa0ffb404b0088ad928257052ea97b430846527c74a875b86d

Aliases

arxiv: astro-ph/0606193 · arxiv_version: astro-ph/0606193v1 · doi: 10.48550/arxiv.astro-ph/0606193 · pith_short_12: XY33ZZLKSD2K · pith_short_16: XY33ZZLKSD2KUD73 · pith_short_8: XY33ZZLK

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/XY33ZZLKSD2KUD73IBFQBCFNSK \
  | 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: be37bce56a90f4aa0ffb404b0088ad928257052ea97b430846527c74a875b86d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f24788a10fa27c8b8fc3013be0e92ea93f282107561475741c3a0358703dc19c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-06-08T13:01:50Z",
    "title_canon_sha256": "6b029bd939325c685a85512a18de4f161ed84102bc97c9f9714b32009ad6ad5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0606193",
    "kind": "arxiv",
    "version": 1
  }
}