Pith Number

pith:5XNI6M5C

pith:2017:5XNI6M5CCTYVKPMKPYHETFU5EG

not attested not anchored not stored refs pending

Integral Curvature Representation and Matching Algorithms for Identification of Dolphins and Whales

Charles V. Stewart, Hendrik J. Weideman, Jason B. Allen, Jason Holmberg, John Calambokidis, Kiirsten Flynn, Kim Urian, Krista Hupman, Randall S. Wells, Reny B. Tyson, Zachary M. Jablons

arxiv:1708.07785 v1 · 2017-08-25 · 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{5XNI6M5CCTYVKPMKPYHETFU5EG}

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	2026-05-18T00:36:42.003027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edda8f33a214f1553d8a7e0e49969d21a4e9fd87bcc5346f7658a7b4f53f0a41

Aliases

arxiv: 1708.07785 · arxiv_version: 1708.07785v1 · doi: 10.48550/arxiv.1708.07785 · pith_short_12: 5XNI6M5CCTYV · pith_short_16: 5XNI6M5CCTYVKPMK · pith_short_8: 5XNI6M5C

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/5XNI6M5CCTYVKPMKPYHETFU5EG \
  | 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: edda8f33a214f1553d8a7e0e49969d21a4e9fd87bcc5346f7658a7b4f53f0a41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83b63f5ccd1d6916709e37006f00290b7252a7a0095005b7a7773b001ca3168e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-08-25T15:44:46Z",
    "title_canon_sha256": "f1cdee2d7a4e9298a08fea8b31a31561aecacb56dc33ed706153d844b926fdc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07785",
    "kind": "arxiv",
    "version": 1
  }
}