Pith Number

pith:ALXZ5ZLD

pith:2018:ALXZ5ZLDBZDBR5A5KKROEZTWXX

not attested not anchored not stored refs pending

Geodesic Obstacle Representation of Graphs

Fabrizio Montecchiani, Luis Fernando Schultz Xavier da Silveira, Pat Morin, Paz Carmi, Prosenjit Bose, Saeed Mehrabi, Vida Dujmovic

arxiv:1803.03705 v1 · 2018-03-09 · 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{ALXZ5ZLDBZDBR5A5KKROEZTWXX}

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	2026-05-18T00:21:38.406844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02ef9ee5630e4618f41d52a2e26676bdfe251d293af77e5da563e620c10b9315

Aliases

arxiv: 1803.03705 · arxiv_version: 1803.03705v1 · doi: 10.48550/arxiv.1803.03705 · pith_short_12: ALXZ5ZLDBZDB · pith_short_16: ALXZ5ZLDBZDBR5A5 · pith_short_8: ALXZ5ZLD

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/ALXZ5ZLDBZDBR5A5KKROEZTWXX \
  | 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: 02ef9ee5630e4618f41d52a2e26676bdfe251d293af77e5da563e620c10b9315

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea90fa6d244517932f28fdc001760432a09cb4e3bf88d2e10fdab2de4d3dcbac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-03-09T21:54:48Z",
    "title_canon_sha256": "a8b83969ba9e9b9e24660377c2ee2a5039668feba353bb8e3bb37c4128477460"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03705",
    "kind": "arxiv",
    "version": 1
  }
}