Pith Number

pith:ZHE2FOEX

pith:2014:ZHE2FOEXRWKA7B7S6YXHZI6EK6

not attested not anchored not stored refs pending

Dynamic Set Intersection

Ely Porat, Seth Pettie, Tsvi Kopelowitz

arxiv:1407.6755 v2 · 2014-07-24 · 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{ZHE2FOEXRWKA7B7S6YXHZI6EK6}

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	2026-05-18T02:17:01.256136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9c9a2b8978d940f87f2f62e7ca3c457be9fa94084395c572fee9b43518a7dc9

Aliases

arxiv: 1407.6755 · arxiv_version: 1407.6755v2 · doi: 10.48550/arxiv.1407.6755 · pith_short_12: ZHE2FOEXRWKA · pith_short_16: ZHE2FOEXRWKA7B7S · pith_short_8: ZHE2FOEX

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/ZHE2FOEXRWKA7B7S6YXHZI6EK6 \
  | 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: c9c9a2b8978d940f87f2f62e7ca3c457be9fa94084395c572fee9b43518a7dc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49f1bdee66a84bbfc14849661da608e7d32bd3fe6e221f1527a249dfbc730b72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-07-24T23:02:09Z",
    "title_canon_sha256": "32e578c8d9bb0129bfccbe695a4e9ed7d7a3a0aa52ad3b47d71edfcdb79452d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.6755",
    "kind": "arxiv",
    "version": 2
  }
}