Pith Number

pith:GBRFKGB2

pith:2025:GBRFKGB2GLQDBKWH5ODBHSXFQC

not attested not anchored not stored refs pending

Structure from Collision

Takuhiro Kaneko

arxiv:2505.21335 v1 · 2025-05-27 · cs.GR · cs.AI · cs.CV · cs.LG · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GBRFKGB2GLQDBKWH5ODBHSXFQC}

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	2026-07-05T11:10:40.372366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

306255183a32e030aac7eb8613cae5808ae76f513541662d40b16a18bc6df2ca

Aliases

arxiv: 2505.21335 · arxiv_version: 2505.21335v1 · doi: 10.48550/arxiv.2505.21335 · pith_short_12: GBRFKGB2GLQD · pith_short_16: GBRFKGB2GLQDBKWH · pith_short_8: GBRFKGB2

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/GBRFKGB2GLQDBKWH5ODBHSXFQC \
  | 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: 306255183a32e030aac7eb8613cae5808ae76f513541662d40b16a18bc6df2ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48b713b122d2e64f69ec6f874f7db8fcb3941234dae34cb4b5d4cef5f8df390f",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV",
      "cs.LG",
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2025-05-27T15:30:01Z",
    "title_canon_sha256": "56ff1703d37532fb24ad7ef44b9c543d5a1cce5909c5bfbe2f7df8f8367d27a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21335",
    "kind": "arxiv",
    "version": 1
  }
}