Pith Number

pith:IRK2CM3G

pith:2012:IRK2CM3GUWAPXR25UBB5742F5P

not attested not anchored not stored refs pending

Efficient Topology-Controlled Sampling of Implicit Shapes

Jason Chang, John W. Fisher III

arxiv:1205.3766 v1 · 2012-05-16 · 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{IRK2CM3GUWAPXR25UBB5742F5P}

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	2026-05-18T03:55:25.220010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4455a13366a580fbc75da043dff345ebf2a7f023b00d90296c6905b65963a778

Aliases

arxiv: 1205.3766 · arxiv_version: 1205.3766v1 · doi: 10.48550/arxiv.1205.3766 · pith_short_12: IRK2CM3GUWAP · pith_short_16: IRK2CM3GUWAPXR25 · pith_short_8: IRK2CM3G

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/IRK2CM3GUWAPXR25UBB5742F5P \
  | 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: 4455a13366a580fbc75da043dff345ebf2a7f023b00d90296c6905b65963a778

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e48805432626925d677705ea0d8c70d455d2f964fb1b9590987fce67f86a38e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-05-16T19:11:51Z",
    "title_canon_sha256": "6ce99e775ebd71522469d26b8007a9f821c48e8399df690acca4b1f3263785a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3766",
    "kind": "arxiv",
    "version": 1
  }
}