Pith Number

pith:V6OGAY36

pith:2017:V6OGAY36HKC634GQE5H3T3L5F3

not attested not anchored not stored refs pending

Refuting Feder, Kinne and Rafiey

Ross Willard

arxiv:1707.09440 v1 · 2017-07-29 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V6OGAY36HKC634GQE5H3T3L5F3}

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	2026-05-18T00:39:11.258447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af9c60637e3a85edf0d0274fb9ed7d2efe82ed208d98aeb374519c1ea8f1922d

Aliases

arxiv: 1707.09440 · arxiv_version: 1707.09440v1 · doi: 10.48550/arxiv.1707.09440 · pith_short_12: V6OGAY36HKC6 · pith_short_16: V6OGAY36HKC634GQ · pith_short_8: V6OGAY36

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/V6OGAY36HKC634GQE5H3T3L5F3 \
  | 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: af9c60637e3a85edf0d0274fb9ed7d2efe82ed208d98aeb374519c1ea8f1922d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24068e9e62eea00f613cc28e1e21557c77015899840ba0fc983fd0987e309971",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2017-07-29T00:17:36Z",
    "title_canon_sha256": "2611c581040eca8c0cad3c47573676906ad0471412eeac9aece7d9643297abd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09440",
    "kind": "arxiv",
    "version": 1
  }
}