Pith Number

pith:NYBSAXXZ

pith:2004:NYBSAXXZHZLUKSENJLPXZETXGZ

not attested not anchored not stored refs pending

Zero-error communication over networks

J\"urg Wullschleger

arxiv:cs/0407004 v1 · 2004-07-01 · cs.IT · cs.CR · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NYBSAXXZHZLUKSENJLPXZETXGZ}

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	2026-05-18T00:57:45.196637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e03205ef93e5745488d4adf7c9277364cb880e4a1e32dad94b7a8f74ef42ef1

Aliases

arxiv: cs/0407004 · arxiv_version: cs/0407004v1 · doi: 10.48550/arxiv.cs/0407004 · pith_short_12: NYBSAXXZHZLU · pith_short_16: NYBSAXXZHZLUKSEN · pith_short_8: NYBSAXXZ

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/NYBSAXXZHZLUKSENJLPXZETXGZ \
  | 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: 6e03205ef93e5745488d4adf7c9277364cb880e4a1e32dad94b7a8f74ef42ef1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f9856017ad5c8bb15086e48d546a78dfa98ae29b6d26b42a0f4eee0effff3f1",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2004-07-01T17:27:21Z",
    "title_canon_sha256": "459dc9cb25ac678a5c08e2ceb53e9e041a38376ad351791f5ea70d4f3aa6cd9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0407004",
    "kind": "arxiv",
    "version": 1
  }
}