Pith Number

pith:NIRBL7RZ

pith:2005:NIRBL7RZUADODCRCD6HEVUD7DK

not attested not anchored not stored refs pending

A General Framework for Codes Involving Redundancy Minimization

Michael B. Baer

arxiv:cs/0508083 v2 · 2005-08-18 · cs.IT · cs.DS · 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{NIRBL7RZUADODCRCD6HEVUD7DK}

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	2026-07-04T15:03:00.450747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a2215fe39a006e18a221f8e4ad07f1a875a8e79ee3d8861df73ac1597c03439

Aliases

arxiv: cs/0508083 · arxiv_version: cs/0508083v2 · doi: 10.48550/arxiv.cs/0508083 · pith_short_12: NIRBL7RZUADO · pith_short_16: NIRBL7RZUADODCRC · pith_short_8: NIRBL7RZ

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/NIRBL7RZUADODCRCD6HEVUD7DK \
  | 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: 6a2215fe39a006e18a221f8e4ad07f1a875a8e79ee3d8861df73ac1597c03439

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44705759f86553d2eeeeb791d593438caede691f7f9db810ef60d10b051c5799",
    "cross_cats_sorted": [
      "cs.DS",
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2005-08-18T20:22:45Z",
    "title_canon_sha256": "243cee0f23a24454a0f8b457e3878af8a5b182e13c34c07e635bb439a73b3120"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0508083",
    "kind": "arxiv",
    "version": 2
  }
}