Pith Number

pith:VKGHR5DJ

pith:1997:VKGHR5DJGQCQBKODY3JK7XTAKJ

not attested not anchored not stored refs pending

Data-Mining a Large Digital Sky Survey: From the Challenges to the Scientific Results

(2) Jet Propulsion Laboratory, 3), (3) Observatorio Nacional CNPq, A. Gray (2) ((1) Palomar Observatory, J. Roden (2), P. Stolorz (2), Rio de Janeiro), R. R. de Carvalho (1, R. R. Gal (1), S. C. Odewahn (1), S. G. Djorgovski (1)

arxiv:astro-ph/9708218 v1 · 1997-08-24 · 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{VKGHR5DJGQCQBKODY3JK7XTAKJ}

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	2026-05-18T01:40:16.813812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa8c78f469340500a9c3c6d2afde60525bd4f9566229c77696024dd38df889ca

Aliases

arxiv: astro-ph/9708218 · arxiv_version: astro-ph/9708218v1 · doi: 10.48550/arxiv.astro-ph/9708218 · pith_short_12: VKGHR5DJGQCQ · pith_short_16: VKGHR5DJGQCQBKOD · pith_short_8: VKGHR5DJ

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/VKGHR5DJGQCQBKODY3JK7XTAKJ \
  | 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: aa8c78f469340500a9c3c6d2afde60525bd4f9566229c77696024dd38df889ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "435f46a6484cdc3c84840d9d194fa6a565e241c08237fdd5748d8f6f5a5171e2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-08-24T00:24:59Z",
    "title_canon_sha256": "529330ff58c70ae91c892910ddc06059ab3dc9acb05f7c34bac3c04504a11ca3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9708218",
    "kind": "arxiv",
    "version": 1
  }
}