Pith Number

pith:5PZDCDXX

pith:2026:5PZDCDXXYBTZ3NSFGVKAB65LHZ

not attested not anchored not stored refs pending

From Frames to Features: Scalable Zigzag Persistence for Binary Video

David Lanners

arxiv:2606.30490 v1 · 2026-06-29 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5PZDCDXXYBTZ3NSFGVKAB65LHZ}

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	2026-06-30T02:18:17.372019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebf2310ef7c0679db645355400fbab3e49b63e0a0992555743f232c76eee4150

Aliases

arxiv: 2606.30490 · arxiv_version: 2606.30490v1 · doi: 10.48550/arxiv.2606.30490 · pith_short_12: 5PZDCDXXYBTZ · pith_short_16: 5PZDCDXXYBTZ3NSF · pith_short_8: 5PZDCDXX

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/5PZDCDXXYBTZ3NSFGVKAB65LHZ \
  | 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: ebf2310ef7c0679db645355400fbab3e49b63e0a0992555743f232c76eee4150

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4ffaa9bfabc28d61c3fe78cdd24bc387be7a07079c6d59ec05e9dce8f4f472e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2026-06-29T15:54:54Z",
    "title_canon_sha256": "feefd4f2221bc6cc30ac238724ab28eeda273ffd694294312f237fd8c58494e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30490",
    "kind": "arxiv",
    "version": 1
  }
}