Pith Number

pith:2FDEO2PI

pith:2016:2FDEO2PI3X4X42ECM5QER6E55E

not attested not anchored not stored refs pending

A Topological Algorithm for Determining How Road Networks Evolve Over Time

Manuel R. Torres, M T Goodrich, Siddharth Gupta

arxiv:1609.07239 v1 · 2016-09-23 · cs.DS · 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{2FDEO2PI3X4X42ECM5QER6E55E}

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	2026-05-18T01:04:01.873888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1464769e8ddf97e6882676048f89de92767ea57c25bbe30c3b12ffc0b475620

Aliases

arxiv: 1609.07239 · arxiv_version: 1609.07239v1 · doi: 10.48550/arxiv.1609.07239 · pith_short_12: 2FDEO2PI3X4X · pith_short_16: 2FDEO2PI3X4X42EC · pith_short_8: 2FDEO2PI

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/2FDEO2PI3X4X42ECM5QER6E55E \
  | 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: d1464769e8ddf97e6882676048f89de92767ea57c25bbe30c3b12ffc0b475620

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66a5bbfa7c9f354245c95a28d2f08aafeba8cdf2de4a457f0667a32d0d5776d9",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-09-23T05:57:06Z",
    "title_canon_sha256": "5c2011b7c058f5e2f6d57c46de2f66d6c2a9453a9773539642211b84a97ff0d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07239",
    "kind": "arxiv",
    "version": 1
  }
}