Pith Number

pith:V6BL2JEC

pith:1992:V6BL2JECAUNBZRX7ENQNY5SHDX

not attested not anchored not stored refs pending

Perspectives on information-based complexity

Henryk Wo\'zniakowski, J. F. Traub

arxiv:math/9201269 v1 · 1992-01-01 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V6BL2JECAUNBZRX7ENQNY5SHDX}

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	2026-06-03T22:06:22.343789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af82bd2482051a1cc6ff2360dc76471decf0f0b53390e291401a7139680a8804

Aliases

arxiv: math/9201269 · arxiv_version: math/9201269v1 · doi: 10.48550/arxiv.math/9201269 · pith_short_12: V6BL2JECAUNB · pith_short_16: V6BL2JECAUNBZRX7 · pith_short_8: V6BL2JEC

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/V6BL2JECAUNBZRX7ENQNY5SHDX \
  | 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: af82bd2482051a1cc6ff2360dc76471decf0f0b53390e291401a7139680a8804

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0b4e7cf13e8a0a5705f8413c7cebf69d5fbad0309e33f21ae38fe979b3416a8",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "1992-01-01T00:00:00Z",
    "title_canon_sha256": "88123fbeaa2e59a56488535be2e1975a3e7982243fa5d3d7fec6b283bc7fc39a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9201269",
    "kind": "arxiv",
    "version": 1
  }
}