Pith Number

pith:TDD7U3OM

pith:2008:TDD7U3OMQTGVIV5YDL6FASZ4X2

not attested not anchored not stored refs pending

A Growing Self-Organizing Network for Reconstructing Curves and Surfaces

Marco Piastra

arxiv:0812.2969 v2 · 2008-12-16 · cs.NE · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TDD7U3OMQTGVIV5YDL6FASZ4X2}

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	2026-05-18T02:20:50.241717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98c7fa6dcc84cd5457b81afc504b3cbe869d8a2e4fdbd0058e61b2e6e215b938

Aliases

arxiv: 0812.2969 · arxiv_version: 0812.2969v2 · doi: 10.48550/arxiv.0812.2969 · pith_short_12: TDD7U3OMQTGV · pith_short_16: TDD7U3OMQTGVIV5Y · pith_short_8: TDD7U3OM

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/TDD7U3OMQTGVIV5YDL6FASZ4X2 \
  | 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: 98c7fa6dcc84cd5457b81afc504b3cbe869d8a2e4fdbd0058e61b2e6e215b938

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d865f6261e1dd1b86e2df1c7232ab6e8ed41c145dba2954a26e8f8232af42bab",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2008-12-16T15:59:36Z",
    "title_canon_sha256": "e770b7e423402d291db2ab83acea73579fffa87355254032e143109afc60aa1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.2969",
    "kind": "arxiv",
    "version": 2
  }
}