Pith Number

pith:ZTHMF2AX

pith:2009:ZTHMF2AXIBDGYEK5O5UMLH6H3U

not attested not anchored not stored refs pending

A new Protocol for 1-2 Oblivious Transfer

Bjoern Grohmann

arxiv:0904.2023 v1 · 2009-04-13 · 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{ZTHMF2AXIBDGYEK5O5UMLH6H3U}

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.

Cited by

1 paper in Pith

Automata Learning versus Process Mining: The Case for User Journeys

Receipt and verification

First computed	2026-07-04T15:41:09.309103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cccec2e81740466c115d7768c59fc7dd09392542337fbcfd9788c481ec21c8ce

Aliases

arxiv: 0904.2023 · arxiv_version: 0904.2023v1 · doi: 10.48550/arxiv.0904.2023 · pith_short_12: ZTHMF2AXIBDG · pith_short_16: ZTHMF2AXIBDGYEK5 · pith_short_8: ZTHMF2AX

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/ZTHMF2AXIBDGYEK5O5UMLH6H3U \
  | 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: cccec2e81740466c115d7768c59fc7dd09392542337fbcfd9788c481ec21c8ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7a595ef398dedf14023d510ea56f5b24275d5bd355ee57374cd446e56b13a97",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2009-04-13T22:30:53Z",
    "title_canon_sha256": "ded0b40a89f71bf2a4c4e5060c4b0493da6745047758d5e5a43b9705989a1f4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2023",
    "kind": "arxiv",
    "version": 1
  }
}