Pith Number

pith:ZTKO7BU3

pith:2026:ZTKO7BU3KDBVJ4TCZFRVRVGNTD

not attested not anchored not stored refs pending

Landmark shape spaces with induced metrics

Peter W. Michor, Sarang Joshi, Stefan Sommer

arxiv:2607.28064 v1 · 2026-07-30 · cs.CV · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZTKO7BU3KDBVJ4TCZFRVRVGNTD}

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	2026-07-31T01:35:31.394549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

ccd4ef869b50c354f262c96358d4cd98c5ec245931d0361b4d931622dba903cb

Aliases

arxiv: 2607.28064 · arxiv_version: 2607.28064v1 · doi: 10.48550/arxiv.2607.28064 · pith_short_12: ZTKO7BU3KDBV · pith_short_16: ZTKO7BU3KDBVJ4TC · pith_short_8: ZTKO7BU3

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/ZTKO7BU3KDBVJ4TCZFRVRVGNTD \
  | 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: ccd4ef869b50c354f262c96358d4cd98c5ec245931d0361b4d931622dba903cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f1699bee30d94a761ea3d6059e5e227eaa1a9c8f2a9ce9ddcc77a79016facee",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-30T11:41:19Z",
    "title_canon_sha256": "344b1ded6762a76b2d164fb1376f69db4b6af4f1180dec1c0c5d41e873fe2352"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28064",
    "kind": "arxiv",
    "version": 1
  }
}