Pith Number

pith:ICUVEUXY

pith:2009:ICUVEUXYTRHPCW2SGLZQMBC4PM

not attested not anchored not stored refs pending

Hyperbolic planforms in relation to visual edges and textures perception

Olivier Faugeras, Pascal Chossat

arxiv:0907.0963 v3 · 2009-07-06 · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ICUVEUXYTRHPCW2SGLZQMBC4PM}

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	2026-05-18T02:13:05.078525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40a95252f89c4ef15b5232f306045c7b32cb7cb79aba3a87c045893a93edd2ae

Aliases

arxiv: 0907.0963 · arxiv_version: 0907.0963v3 · doi: 10.48550/arxiv.0907.0963 · pith_short_12: ICUVEUXYTRHP · pith_short_16: ICUVEUXYTRHPCW2S · pith_short_8: ICUVEUXY

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/ICUVEUXYTRHPCW2SGLZQMBC4PM \
  | 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: 40a95252f89c4ef15b5232f306045c7b32cb7cb79aba3a87c045893a93edd2ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f37fa6b6d1b378dab1f5a48431fc045e4e6c0dffc6f5cbd2a6b049d61d4e924",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2009-07-06T10:35:51Z",
    "title_canon_sha256": "ca3eaa9425ee51400b5e2a01c2e9c2dabbefe1d1f0042cba025f7417967ecb30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0963",
    "kind": "arxiv",
    "version": 3
  }
}