Pith Number

pith:UFEHK42U

pith:2017:UFEHK42USCX2B53S6KJSGXPAHB

not attested not anchored not stored refs pending

Locality-sensitive hashing of curves

Anne Driemel, Francesco Silvestri

arxiv:1703.04040 v1 · 2017-03-11 · cs.CG · cs.DS · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UFEHK42USCX2B53S6KJSGXPAHB}

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	2026-05-18T00:48:50.065501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a14875735490afa0f772f293235de0385d4e79d7e772f3c44d3ac5e30e659829

Aliases

arxiv: 1703.04040 · arxiv_version: 1703.04040v1 · doi: 10.48550/arxiv.1703.04040 · pith_short_12: UFEHK42USCX2 · pith_short_16: UFEHK42USCX2B53S · pith_short_8: UFEHK42U

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/UFEHK42USCX2B53S6KJSGXPAHB \
  | 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: a14875735490afa0f772f293235de0385d4e79d7e772f3c44d3ac5e30e659829

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af6bfd124fa2cf93f362573a5dba75845758d869b53e7f4f7eac7fe971021d5e",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-03-11T23:16:23Z",
    "title_canon_sha256": "92dd5dcf9d5d6e943b2ae6e6eb58e4640086842297c60452f8e58feda854bbb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04040",
    "kind": "arxiv",
    "version": 1
  }
}