Pith Number

pith:4FVAKJFC

pith:2015:4FVAKJFC2OUO4W7SRZRDGRA5SP

not attested not anchored not stored refs pending

Switchability and collapsibility of Gap Algebras

Barnaby Martin, Dmitriy Zhuk

arxiv:1510.06298 v1 · 2015-10-21 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FVAKJFC2OUO4W7SRZRDGRA5SP}

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	2026-05-18T01:29:37.309252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e16a0524a2d3a8ee5bf28e6233441d93c723fcfb3f348e9402414a6e01d2ece7

Aliases

arxiv: 1510.06298 · arxiv_version: 1510.06298v1 · doi: 10.48550/arxiv.1510.06298 · pith_short_12: 4FVAKJFC2OUO · pith_short_16: 4FVAKJFC2OUO4W7S · pith_short_8: 4FVAKJFC

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/4FVAKJFC2OUO4W7SRZRDGRA5SP \
  | 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: e16a0524a2d3a8ee5bf28e6233441d93c723fcfb3f348e9402414a6e01d2ece7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3592668b6f29a2c05e337c15fb0ed7eacfb1a9eedbf14bdf060da14d3fb3138",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-10-21T15:29:01Z",
    "title_canon_sha256": "1e176c7bd88cb46766f8dd0df5928edb0d1049f32e2adab60e41033a440d01e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06298",
    "kind": "arxiv",
    "version": 1
  }
}