Pith Number

pith:N5DUITZH

pith:2018:N5DUITZHAZYNVG7SWRLLUJYB5R

not attested not anchored not stored refs pending

Self Functional Maps

Oshri Halimi, Ron Kimmel

arxiv:1804.08080 v2 · 2018-04-22 · 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{N5DUITZHAZYNVG7SWRLLUJYB5R}

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	2026-05-18T00:17:16.263249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f47444f270670da9bf2b456ba2701ec42051e1accfad23eb5bad53a4ee9ce4a

Aliases

arxiv: 1804.08080 · arxiv_version: 1804.08080v2 · doi: 10.48550/arxiv.1804.08080 · pith_short_12: N5DUITZHAZYN · pith_short_16: N5DUITZHAZYNVG7S · pith_short_8: N5DUITZH

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/N5DUITZHAZYNVG7SWRLLUJYB5R \
  | 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: 6f47444f270670da9bf2b456ba2701ec42051e1accfad23eb5bad53a4ee9ce4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "086cfcca434d10b223a00081c829529416627f156dd615719c27d147b9c5fc86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-04-22T08:01:14Z",
    "title_canon_sha256": "75fd59add3019d55ece88c9981ffab0563c33e69c0208d332edc0456c48079af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08080",
    "kind": "arxiv",
    "version": 2
  }
}