Pith Number

pith:V2DJTQLW

pith:2015:V2DJTQLWTZ3ALHB2JO2OB5TOHG

not attested not anchored not stored refs pending

A highly specific test for periodicity

Gerrit Ansmann

arxiv:1506.01287 v4 · 2015-06-03 · physics.data-an · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V2DJTQLWTZ3ALHB2JO2OB5TOHG}

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	2026-05-18T01:27:23.559352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae8699c1769e76059c3a4bb4e0f66e39a129d8fac2e88b523bce45a51be9fdb0

Aliases

arxiv: 1506.01287 · arxiv_version: 1506.01287v4 · doi: 10.48550/arxiv.1506.01287 · pith_short_12: V2DJTQLWTZ3A · pith_short_16: V2DJTQLWTZ3ALHB2 · pith_short_8: V2DJTQLW

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/V2DJTQLWTZ3ALHB2JO2OB5TOHG \
  | 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: ae8699c1769e76059c3a4bb4e0f66e39a129d8fac2e88b523bce45a51be9fdb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "642b55d610f6c1b4bec84853b518b676fca9c51a225e19dfdcdbe029e22691b9",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2015-06-03T15:42:45Z",
    "title_canon_sha256": "441346ad5ca32b4f7ef212768a99222f13c96be7b67cc0c0f35971c8e35a38ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01287",
    "kind": "arxiv",
    "version": 4
  }
}