Pith Number

pith:W4HHXZ55

pith:2021:W4HHXZ55CHXQBUXB4AE2OZ7CLG

not attested not anchored not stored refs pending

Fast 3D registration with accurate optimisation and little learning for Learn2Reg 2021

Hanna Siebert, Lasse Hansen, Mattias P. Heinrich

arxiv:2112.03053 v1 · 2021-12-06 · eess.IV · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W4HHXZ55CHXQBUXB4AE2OZ7CLG}

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	2026-07-05T03:38:01.335090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b70e7be7bd11ef00d2e1e009a767e2599fa05c9c085fdfcdf2677c7da147dba2

Aliases

arxiv: 2112.03053 · arxiv_version: 2112.03053v1 · doi: 10.48550/arxiv.2112.03053 · pith_short_12: W4HHXZ55CHXQ · pith_short_16: W4HHXZ55CHXQBUXB · pith_short_8: W4HHXZ55

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/W4HHXZ55CHXQBUXB4AE2OZ7CLG \
  | 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: b70e7be7bd11ef00d2e1e009a767e2599fa05c9c085fdfcdf2677c7da147dba2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ca40102575a697838553cc329351354ff07bf50b54860ede80f609412b6aeba",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-12-06T13:55:09Z",
    "title_canon_sha256": "46c9284068cbc018ae084f7d6e621a6b0e3b8d882290ea53abe738649024f928"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.03053",
    "kind": "arxiv",
    "version": 1
  }
}