Pith Number

pith:FNGWOXES

pith:1999:FNGWOXESJCY5ZFO227XKP5AENS

not attested not anchored not stored refs pending

Designing and Mining Multi-Terabyte Astronomy Archives: The Sloan Digital Sky Survey

Alexander S. Szalay, Ani Thakar, Jim Gray, Peter Kunszt

arxiv:cs/9907009 v1 · 1999-07-06 · cs.DB · cs.DL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FNGWOXESJCY5ZFO227XKP5AENS}

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	2026-05-18T01:06:48.789474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b4d675c9248b1dc95dad7eea7f4046cba5892b7e548cff9e8252907eb5d8092

Aliases

arxiv: cs/9907009 · arxiv_version: cs/9907009v1 · doi: 10.48550/arxiv.cs/9907009 · pith_short_12: FNGWOXESJCY5 · pith_short_16: FNGWOXESJCY5ZFO2 · pith_short_8: FNGWOXES

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/FNGWOXESJCY5ZFO227XKP5AENS \
  | 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: 2b4d675c9248b1dc95dad7eea7f4046cba5892b7e548cff9e8252907eb5d8092

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5826f04e01ddb42fdbababe74456ca5f83f2fe31c65c1ed79d11e2a7d456c15c",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "",
    "primary_cat": "cs.DB",
    "submitted_at": "1999-07-06T22:56:47Z",
    "title_canon_sha256": "44e4b0fe4382b7b9db14e82285638d876b6d4e8c0c4087776da23d9f7f8d959a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/9907009",
    "kind": "arxiv",
    "version": 1
  }
}