Pith Number

pith:6HCM4Y5R

pith:2026:6HCM4Y5RGB2CGI5L2JFXZ5OWRW

not attested not anchored not stored refs pending

Diffeomorphic Optimization

Andrew Leaver-Fay, Joseph Kleinhenz, Ludwig Winkler, Pan Kessel

arxiv:2607.00947 v1 · 2026-07-01 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6HCM4Y5RGB2CGI5L2JFXZ5OWRW}

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	2026-07-02T01:18:24.225369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1c4ce63b130742323abd24b7cf5d68d9a9289fd11f6ca100448ee733bb2e2f2

Aliases

arxiv: 2607.00947 · arxiv_version: 2607.00947v1 · doi: 10.48550/arxiv.2607.00947 · pith_short_12: 6HCM4Y5RGB2C · pith_short_16: 6HCM4Y5RGB2CGI5L · pith_short_8: 6HCM4Y5R

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/6HCM4Y5RGB2CGI5L2JFXZ5OWRW \
  | 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: f1c4ce63b130742323abd24b7cf5d68d9a9289fd11f6ca100448ee733bb2e2f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c487f8e007356552cdf933b7c881d0658b6f3847c6714994fc17cc0c00d45c7e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-01T13:46:22Z",
    "title_canon_sha256": "c6e141d9ac9fd9082d74192c353cd84ed8944d1337744eafc8247ae56b767b27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00947",
    "kind": "arxiv",
    "version": 1
  }
}