Pith Number

pith:MLGAPKUJ

pith:2018:MLGAPKUJBWD26FMJNQ2ZYHEYPQ

not attested not anchored not stored refs pending

Topologically Controlled Lossy Compression

Bruno Conche, Julien Tierny, Maxime Soler, Melanie Plainchault

arxiv:1802.02731 v1 · 2018-02-08 · eess.IV · cs.CG · cs.CV · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MLGAPKUJBWD26FMJNQ2ZYHEYPQ}

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	2026-05-18T00:24:03.237244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62cc07aa890d87af15896c359c1c987c20ff125d83a512c444e4232f449513c9

Aliases

arxiv: 1802.02731 · arxiv_version: 1802.02731v1 · doi: 10.48550/arxiv.1802.02731 · pith_short_12: MLGAPKUJBWD2 · pith_short_16: MLGAPKUJBWD26FMJ · pith_short_8: MLGAPKUJ

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/MLGAPKUJBWD26FMJNQ2ZYHEYPQ \
  | 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: 62cc07aa890d87af15896c359c1c987c20ff125d83a512c444e4232f449513c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd5082ad089b56a8273786a7071406e557c7aa76f3c89eb3a86145045f31c0c0",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.CV",
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2018-02-08T07:35:43Z",
    "title_canon_sha256": "ae50c5471e2210639dcf89d98c9e7b1f41e066215f10eb04a813dd97a2a3a474"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02731",
    "kind": "arxiv",
    "version": 1
  }
}