Pith Number

pith:IKEXEXME

pith:2017:IKEXEXMEAGVY4EUWIKRM6ID4UI

not attested not anchored not stored refs pending

Geodesics of Triangulated Image Object Shapes. Approximating Image Shapes via Rectilinear and Curvilinear Triangulations

J.F. Peters, M.Z. Ahmad

arxiv:1708.07413 v1 · 2017-08-21 · cs.CG · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IKEXEXMEAGVY4EUWIKRM6ID4UI}

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	2026-05-18T00:36:44.394491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4289725d8401ab8e129642a2cf207ca2361639360040fc4d660d42dac7e402d1

Aliases

arxiv: 1708.07413 · arxiv_version: 1708.07413v1 · doi: 10.48550/arxiv.1708.07413 · pith_short_12: IKEXEXMEAGVY · pith_short_16: IKEXEXMEAGVY4EUW · pith_short_8: IKEXEXME

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/IKEXEXMEAGVY4EUWIKRM6ID4UI \
  | 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: 4289725d8401ab8e129642a2cf207ca2361639360040fc4d660d42dac7e402d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75483aefe3bfdf0e7eb9fdd2752bda2e79dea6f4750338d0c2ab912e7bc2a95e",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-08-21T14:46:44Z",
    "title_canon_sha256": "57587cad05ad43b76aca1260a4569aea36ae4c32d1ba052bd1a252a9b19c02e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07413",
    "kind": "arxiv",
    "version": 1
  }
}