Pith Number

pith:OPVP33XA

pith:2019:OPVP33XAX7EZP2RLN6S2AP3K2E

not attested not anchored not stored refs pending

Encoding 3SUM

Aur\'elien Ooms, Jean Cardinal, John Iacono, Pat Morin, Sergio Cabello, Stefan Langerman

arxiv:1903.02645 v1 · 2019-03-06 · cs.DS · 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{OPVP33XAX7EZP2RLN6S2AP3K2E}

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	2026-05-17T23:51:51.587468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73eafdeee0bfc997ea2b6fa5a03f6ad135ab5fb095c9a65cd5252d8028b629c8

Aliases

arxiv: 1903.02645 · arxiv_version: 1903.02645v1 · doi: 10.48550/arxiv.1903.02645 · pith_short_12: OPVP33XAX7EZ · pith_short_16: OPVP33XAX7EZP2RL · pith_short_8: OPVP33XA

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/OPVP33XAX7EZP2RLN6S2AP3K2E \
  | 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: 73eafdeee0bfc997ea2b6fa5a03f6ad135ab5fb095c9a65cd5252d8028b629c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19f59daf9b038725c2f205a740aeb5523db3114228023faa3d845830a9753365",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-03-06T22:56:24Z",
    "title_canon_sha256": "9233d5af692a022118edb1897d2dba29470cffa8ce67facfa8f74bc8bab11130"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02645",
    "kind": "arxiv",
    "version": 1
  }
}