Pith Number

pith:WUWXMCBT

pith:2009:WUWXMCBTS6WU4IEZWZTN5OFH7I

not attested not anchored not stored refs pending

Geodesic Paths On 3D Surfaces: Survey and Open Problems

Anil Maheshwari, Stefanie Wuhrer

arxiv:0904.2550 v1 · 2009-04-16 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WUWXMCBTS6WU4IEZWZTN5OFH7I}

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	2026-05-18T03:42:45.070182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b52d76083397ad4e2099b666deb8a7fa373eb68aca10e19e6f506b1f62740624

Aliases

arxiv: 0904.2550 · arxiv_version: 0904.2550v1 · doi: 10.48550/arxiv.0904.2550 · pith_short_12: WUWXMCBTS6WU · pith_short_16: WUWXMCBTS6WU4IEZ · pith_short_8: WUWXMCBT

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/WUWXMCBTS6WU4IEZWZTN5OFH7I \
  | 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: b52d76083397ad4e2099b666deb8a7fa373eb68aca10e19e6f506b1f62740624

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34e5c8b8956867ae3aeae54e79aecb619e4419586fca5abdbcf382aac9042a6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2009-04-16T17:42:44Z",
    "title_canon_sha256": "1a384215366bc84b65573964e209f8aa94a3da7ed3acfa1662f0fbee6e5f5c15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2550",
    "kind": "arxiv",
    "version": 1
  }
}