Pith Number

pith:LAKV4PWF

pith:2006:LAKV4PWFCIJWBSBHZINVHTDSFV

not attested not anchored not stored refs pending

On organizing principles of Discrete Differential Geometry. Geometry of spheres

Alexander I. Bobenko, Yuri B. Suris

arxiv:math/0608291 v2 · 2006-08-13 · math.DG · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LAKV4PWFCIJWBSBHZINVHTDSFV}

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	2026-05-18T01:38:23.859335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58155e3ec5121360c827ca1b53cc722d52a52a37d393a78fe2b560dd4e0874e6

Aliases

arxiv: math/0608291 · arxiv_version: math/0608291v2 · doi: 10.48550/arxiv.math/0608291 · pith_short_12: LAKV4PWFCIJW · pith_short_16: LAKV4PWFCIJWBSBH · pith_short_8: LAKV4PWF

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/LAKV4PWFCIJWBSBHZINVHTDSFV \
  | 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: 58155e3ec5121360c827ca1b53cc722d52a52a37d393a78fe2b560dd4e0874e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "222eabff3e0349db4a7e904abbaf49d0f4b0ad2f1583d84ae9c3616bac6f24f5",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2006-08-13T13:14:46Z",
    "title_canon_sha256": "70afacdfbe366221f023afb3ac947b6812b45acb98ba0d828f3b42c04286fc1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0608291",
    "kind": "arxiv",
    "version": 2
  }
}