Pith Number

pith:A7WQGIG6

pith:2000:A7WQGIG6LNH42CELKO6SIAJHA4

not attested not anchored not stored refs pending

Object Classification in Astronomical Multi-Color Surveys

C. Wolf, H.-J. R\"oser, K. Meisenheimer

arxiv:astro-ph/0010092 v1 · 2000-10-04 · 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{A7WQGIG6LNH42CELKO6SIAJHA4}

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	2026-07-04T15:43:51.917028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07ed0320de5b4fcd088b53bd24012707058ef6140439cc05d1cab0b0272f31f3

Aliases

arxiv: astro-ph/0010092 · arxiv_version: astro-ph/0010092v1 · doi: 10.48550/arxiv.astro-ph/0010092 · pith_short_12: A7WQGIG6LNH4 · pith_short_16: A7WQGIG6LNH42CEL · pith_short_8: A7WQGIG6

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/A7WQGIG6LNH42CELKO6SIAJHA4 \
  | 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: 07ed0320de5b4fcd088b53bd24012707058ef6140439cc05d1cab0b0272f31f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94cbfc27d7839ccdc24bdb60a2fe2873bbf5076bafd28ce1f1e64bd08089f5ad",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-10-04T14:28:56Z",
    "title_canon_sha256": "88efe6f97dcf59faf66af9c3bc576e609f12a21435d19aad138dab05904f9087"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0010092",
    "kind": "arxiv",
    "version": 1
  }
}