Pith Number

pith:C4MTI2VR

pith:2014:C4MTI2VRRR3EZTTTXOS7W7EFOH

not attested not anchored not stored refs pending

scikit-image: Image processing in Python

Emmanuelle Gouillart, Fran\c{c}ois Boulogne, Johannes L. Sch\"onberger, Joshua D. Warner, Juan Nunez-Iglesias, Neil Yager, Stefan Van Der Walt, the scikit-image contributors, Tony Yu

arxiv:1407.6245 v1 · 2014-07-23 · cs.MS · 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{C4MTI2VRRR3EZTTTXOS7W7EFOH}

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	2026-05-18T02:46:40.131065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1719346ab18c764cce73bba5fb7c8571f2142b86ec031a310c7f8faf2ef1c322

Aliases

arxiv: 1407.6245 · arxiv_version: 1407.6245v1 · doi: 10.48550/arxiv.1407.6245 · pith_short_12: C4MTI2VRRR3E · pith_short_16: C4MTI2VRRR3EZTTT · pith_short_8: C4MTI2VR

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/C4MTI2VRRR3EZTTTXOS7W7EFOH \
  | 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: 1719346ab18c764cce73bba5fb7c8571f2142b86ec031a310c7f8faf2ef1c322

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e19677e3dc4a54e41bd1af69f2267a9cbffac249498639fc4424c36dead9303",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2014-07-23T14:55:21Z",
    "title_canon_sha256": "a44bb37b673324cc4d6e9b3ceb18486533efb633dad32cf6d629d8369c1aa78d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.6245",
    "kind": "arxiv",
    "version": 1
  }
}