pith. sign in
Pith Number

pith:72HLXLST

pith:2010:72HLXLSTJUA7V6Z4J26DE7GB4S
not attested not anchored not stored refs pending

Assume-Guarantee Synthesis for Digital Contract Signing

Krishnendu Chatterjee, Vishwanath Raman

arxiv:1004.2697 v4 · 2010-04-15 · cs.LO · cs.CR · cs.GT · cs.PL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{72HLXLSTJUA7V6Z4J26DE7GB4S}

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 2026-05-18T04:08:24.626967Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fe8ebbae534d01fafb3c4ebc327cc1e4a7218429118fca05178b047b388caad7

Aliases

arxiv: 1004.2697 · arxiv_version: 1004.2697v4 · doi: 10.48550/arxiv.1004.2697 · pith_short_12: 72HLXLSTJUA7 · pith_short_16: 72HLXLSTJUA7V6Z4 · pith_short_8: 72HLXLST
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/72HLXLSTJUA7V6Z4J26DE7GB4S \
  | 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: fe8ebbae534d01fafb3c4ebc327cc1e4a7218429118fca05178b047b388caad7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d9fa0c1553ec1fd466449288d00e8e241f31e6c0f537b3cb47ede6f3e2c18bb1",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.GT",
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2010-04-15T19:41:24Z",
    "title_canon_sha256": "7301d07ec3b418d998b599981f791e1dacb940a30a04368921b3c6482ac1f997"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2697",
    "kind": "arxiv",
    "version": 4
  }
}