Pith Number

pith:N6SPPNGY

pith:2002:N6SPPNGYWX2GLNAVGDR72T6YQR

not attested not anchored not stored refs pending

On-Line File Caching

Neal E. Young

arxiv:cs/0205033 v1 · 2002-05-18 · cs.DS · cs.CC · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N6SPPNGYWX2GLNAVGDR72T6YQR}

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	2026-05-18T01:59:53.996697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fa4f7b4d8b5f465b41530e3fd4fd884509697d346ab69204383275ef2d357ef

Aliases

arxiv: cs/0205033 · arxiv_version: cs/0205033v1 · doi: 10.48550/arxiv.cs/0205033 · pith_short_12: N6SPPNGYWX2G · pith_short_16: N6SPPNGYWX2GLNAV · pith_short_8: N6SPPNGY

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/N6SPPNGYWX2GLNAVGDR72T6YQR \
  | 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: 6fa4f7b4d8b5f465b41530e3fd4fd884509697d346ab69204383275ef2d357ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "409c232f38abee037e4a23a244c66345c80cb6b2b8d46373b4c338d77b188765",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.NI"
    ],
    "license": "",
    "primary_cat": "cs.DS",
    "submitted_at": "2002-05-18T02:04:59Z",
    "title_canon_sha256": "1410a3fff630641bc2d71e013844bbc1c2422407be4eb151df99d5dc5e85318a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0205033",
    "kind": "arxiv",
    "version": 1
  }
}