Pith Number

pith:Q2X75FER

pith:2016:Q2X75FERWY6J2XUBXKZJL7DMZG

not attested not anchored not stored refs pending

Deriving approximation tolerance constraints from verification runs

Felix Pauck, Heike Wehrheim, Marie-Christine Jakobs, Tobias Isenberg

arxiv:1604.08784 v2 · 2016-04-29 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q2X75FERWY6J2XUBXKZJL7DMZG}

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	2026-05-18T01:15:22.263551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86affe9491b63c9d5e81bab295fc6cc98ff0aef2f03c77b97835f5ad939509ca

Aliases

arxiv: 1604.08784 · arxiv_version: 1604.08784v2 · doi: 10.48550/arxiv.1604.08784 · pith_short_12: Q2X75FERWY6J · pith_short_16: Q2X75FERWY6J2XUB · pith_short_8: Q2X75FER

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/Q2X75FERWY6J2XUBXKZJL7DMZG \
  | 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: 86affe9491b63c9d5e81bab295fc6cc98ff0aef2f03c77b97835f5ad939509ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48678f59748b6b0dd4c82662a7e00afde7f020ef553d625a7fdf9cb9f5e80a5f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2016-04-29T11:55:23Z",
    "title_canon_sha256": "783fd21d8b0bb9cc77a6c7e4a0feb567f7b88e726bff26c4968ed15029f85806"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.08784",
    "kind": "arxiv",
    "version": 2
  }
}