Pith Number

pith:ZXF3ZB7I

pith:2016:ZXF3ZB7IQCZDMENR7B3Q7DZ4BZ

not attested not anchored not stored refs pending

Deleting Powers in Words

John Machacek

arxiv:1608.08689 v2 · 2016-08-30 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZXF3ZB7IQCZDMENR7B3Q7DZ4BZ}

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	2026-05-18T00:28:35.830506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdcbbc87e880b23611b1f8770f8f3c0e4db5e42d6881f99c14e9b743f839801d

Aliases

arxiv: 1608.08689 · arxiv_version: 1608.08689v2 · doi: 10.48550/arxiv.1608.08689 · pith_short_12: ZXF3ZB7IQCZD · pith_short_16: ZXF3ZB7IQCZDMENR · pith_short_8: ZXF3ZB7I

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/ZXF3ZB7IQCZDMENR7B3Q7DZ4BZ \
  | 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: cdcbbc87e880b23611b1f8770f8f3c0e4db5e42d6881f99c14e9b743f839801d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37a693a1fd4100f59ea8eb907964e60a06c187de0ff526f964cd71c1c0673b30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2016-08-30T23:42:48Z",
    "title_canon_sha256": "9d7c0354ab73025dd0730767b4ff906a8bfbf87cc39c023d5f23f197ea002ba5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.08689",
    "kind": "arxiv",
    "version": 2
  }
}