Pith Number

pith:PWJOFYJ4

pith:2011:PWJOFYJ4QVFD5DHK44KFZHTBFX

not attested not anchored not stored refs pending

Diversification improves interpolation

Daniel S. Roche, Mark Giesbrecht

arxiv:1101.3682 v3 · 2011-01-19 · cs.SC · cs.DS · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PWJOFYJ4QVFD5DHK44KFZHTBFX}

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	2026-05-18T04:25:10.952751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d92e2e13c854a3e8ceae7145c9e612deff0d7b3dabb01a98740325fb4133d43

Aliases

arxiv: 1101.3682 · arxiv_version: 1101.3682v3 · doi: 10.48550/arxiv.1101.3682 · pith_short_12: PWJOFYJ4QVFD · pith_short_16: PWJOFYJ4QVFD5DHK · pith_short_8: PWJOFYJ4

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/PWJOFYJ4QVFD5DHK44KFZHTBFX \
  | 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: 7d92e2e13c854a3e8ceae7145c9e612deff0d7b3dabb01a98740325fb4133d43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e81caaf168a83bc942fff65e068ae27190bb8b32abd51f74ab200d81bd46b90",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.MS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2011-01-19T13:14:32Z",
    "title_canon_sha256": "3d65960f928522c0abd3a21f5e855d4d84fb59d0e7d67b58af8b9a43fb0751af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3682",
    "kind": "arxiv",
    "version": 3
  }
}