Pith Number

pith:ZFUNDBFE

pith:2010:ZFUNDBFESCBQKAPPLIA36TI3A4

not attested not anchored not stored refs pending

Privacy-Preserving Data-Oblivious Geometric Algorithms for Geographic Data

David Eppstein, Michael T. Goodrich, Roberto Tamassia

arxiv:1009.1904 v1 · 2010-09-09 · cs.CG · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZFUNDBFESCBQKAPPLIA36TI3A4}

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	2026-05-18T04:41:05.713011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c968d184a490830501ef5a01bf4d1b0725726e01886acb0c8fcbaa84475a7ff4

Aliases

arxiv: 1009.1904 · arxiv_version: 1009.1904v1 · doi: 10.48550/arxiv.1009.1904 · pith_short_12: ZFUNDBFESCBQ · pith_short_16: ZFUNDBFESCBQKAPP · pith_short_8: ZFUNDBFE

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/ZFUNDBFESCBQKAPPLIA36TI3A4 \
  | 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: c968d184a490830501ef5a01bf4d1b0725726e01886acb0c8fcbaa84475a7ff4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "348b8661b4e09784eebe4ee4dcfb005dd20270ed75717a2c69924a61a77f72ac",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2010-09-09T22:24:13Z",
    "title_canon_sha256": "f06e6d0967714e26877a175f002befa95dd349103cdac2291ac29b80e2c7656b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1904",
    "kind": "arxiv",
    "version": 1
  }
}