Pith Number

pith:U4Z2JSXR

pith:2021:U4Z2JSXREADPRVR6JS6WGWBSOH

not attested not anchored not stored refs pending

A new variational model for shape graph registration with partial matching constraints

Martin Bauer, Nicolas Charon, Yashil Sukurdeep

arxiv:2105.00678 v2 · 2021-05-03 · math.OC · 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{U4Z2JSXREADPRVR6JS6WGWBSOH}

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	2026-07-05T09:57:17.408249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a733a4caf12006f8d63e4cbd63583271e1b63819258371ac934e660f9cbddb2d

Aliases

arxiv: 2105.00678 · arxiv_version: 2105.00678v2 · doi: 10.48550/arxiv.2105.00678 · pith_short_12: U4Z2JSXREADP · pith_short_16: U4Z2JSXREADPRVR6 · pith_short_8: U4Z2JSXR

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/U4Z2JSXREADPRVR6JS6WGWBSOH \
  | 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: a733a4caf12006f8d63e4cbd63583271e1b63819258371ac934e660f9cbddb2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a07cef249b63c7980566bc63077a734d7cae1bf2a3cc1b96de586a7f1a7ec0c4",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-05-03T08:24:09Z",
    "title_canon_sha256": "7b96388cdc53eff477119cf6e9f8f6c228eb13826c795be110473a51c1885e46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.00678",
    "kind": "arxiv",
    "version": 2
  }
}