Pith Number

pith:CS47OCII

pith:2018:CS47OCII647Q4HEY3FTURWAA4L

not attested not anchored not stored refs pending

Fast Fencing

Alan Roytman, Anna Adamaszek, Eva Rotenberg, Karl Bringmann, Mehran Mehr, Mikkel Abrahamsen, Mikkel Thorup, Vincent Cohen-Addad

arxiv:1804.00101 v1 · 2018-03-31 · 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{CS47OCII647Q4HEY3FTURWAA4L}

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	2026-05-18T00:19:38.386528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14b9f70908f73f0e1c98d96748d800e2f0150e8a9b186789302d7c6584942306

Aliases

arxiv: 1804.00101 · arxiv_version: 1804.00101v1 · doi: 10.48550/arxiv.1804.00101 · pith_short_12: CS47OCII647Q · pith_short_16: CS47OCII647Q4HEY · pith_short_8: CS47OCII

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/CS47OCII647Q4HEY3FTURWAA4L \
  | 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: 14b9f70908f73f0e1c98d96748d800e2f0150e8a9b186789302d7c6584942306

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3422e7df8b52b3cabe88ef0bb3a7072811548a54cff14b6bffba5b7f58fd9c5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-03-31T01:17:15Z",
    "title_canon_sha256": "3c5005c9149e70a30f8b7f7b44d81da42bfea01e28876d61d29edd3c31de0102"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00101",
    "kind": "arxiv",
    "version": 1
  }
}