Pith Number

pith:F3REW5IS

pith:2017:F3REW5ISDUIJ6XKN6GFVJJVJRO

not attested not anchored not stored refs pending

(Quasi)Periodicity Quantification in Video Data, Using Topology

Christopher J. Tralie, Jose A. Perea

arxiv:1704.08382 v2 · 2017-04-26 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F3REW5ISDUIJ6XKN6GFVJJVJRO}

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	2026-05-18T00:25:23.787421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ee24b75121d109f5d4df18b54a6a98b854ae628436dbf327725d7a11f5390d9

Aliases

arxiv: 1704.08382 · arxiv_version: 1704.08382v2 · doi: 10.48550/arxiv.1704.08382 · pith_short_12: F3REW5ISDUIJ · pith_short_16: F3REW5ISDUIJ6XKN · pith_short_8: F3REW5IS

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/F3REW5ISDUIJ6XKN6GFVJJVJRO \
  | 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: 2ee24b75121d109f5d4df18b54a6a98b854ae628436dbf327725d7a11f5390d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a48bd9ea0213508396cb8c12f1b08cd1e6b832507d8c98c357ccabc8a62c4aa3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-04-26T23:54:40Z",
    "title_canon_sha256": "3765cadfda0b3fa58ceb4c887531a74da48e94077f0804b30a30286017b32350"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08382",
    "kind": "arxiv",
    "version": 2
  }
}