Pith Number

pith:CCX5OWHU

pith:2016:CCX5OWHU4AXETXAD52TKG7ZYA6

not attested not anchored not stored refs pending

Permutation NMF

Giovanni Barbarino

arxiv:1608.01372 v1 · 2016-08-03 · cs.CV · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CCX5OWHU4AXETXAD52TKG7ZYA6}

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	2026-05-18T01:09:54.300146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10afd758f4e02e49dc03eea6a37f38078a21a3f8f7ea728958ddda6def7e317b

Aliases

arxiv: 1608.01372 · arxiv_version: 1608.01372v1 · doi: 10.48550/arxiv.1608.01372 · pith_short_12: CCX5OWHU4AXE · pith_short_16: CCX5OWHU4AXETXAD · pith_short_8: CCX5OWHU

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/CCX5OWHU4AXETXAD52TKG7ZYA6 \
  | 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: 10afd758f4e02e49dc03eea6a37f38078a21a3f8f7ea728958ddda6def7e317b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a513ae7f0e579e18f41be1b8189365e54a9184873b6c3408235557b84a6af6b7",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-08-03T21:59:44Z",
    "title_canon_sha256": "bdb6c4020616626410e5cccd5126d790f9ac9a85578f70adae6d7e735e7aaf80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01372",
    "kind": "arxiv",
    "version": 1
  }
}