Pith Number

pith:Z4QQKRL4

pith:2019:Z4QQKRL4PQVEUKVI5LASMNE2WD

not attested not anchored not stored refs pending

Fast Actively Secure OT Extension for Short Secrets

Ajith Suresh, Arpita Patra, Pratik Sarkar

arxiv:1911.08834 v1 · 2019-11-20 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z4QQKRL4PQVEUKVI5LASMNE2WD}

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	2026-07-05T00:20:46.194327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf2105457c7c2a4a2aa8eac126349ab0f4db3818b77775d94f8e3acf21b873cd

Aliases

arxiv: 1911.08834 · arxiv_version: 1911.08834v1 · doi: 10.48550/arxiv.1911.08834 · pith_short_12: Z4QQKRL4PQVE · pith_short_16: Z4QQKRL4PQVEUKVI · pith_short_8: Z4QQKRL4

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/Z4QQKRL4PQVEUKVI5LASMNE2WD \
  | 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: cf2105457c7c2a4a2aa8eac126349ab0f4db3818b77775d94f8e3acf21b873cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06984664796e37fee81dd51cae4221b45cafa56643ecc91ab5b2113e3a417d51",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-11-20T11:23:40Z",
    "title_canon_sha256": "fa40ca396d70f55cc58d8b281b5148c5b1f3d14259e02472754d269c990ee182"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.08834",
    "kind": "arxiv",
    "version": 1
  }
}