Pith Number

pith:OBSEGP3P

pith:2011:OBSEGP3PWWIDPCXWZBGAEEJTBT

not attested not anchored not stored refs pending

Easy Impossibility Proofs for k-Set Agreement in Message Passing Systems

Martin Biely, Peter Robinson, Ulrich Schmid

arxiv:1103.3671 v2 · 2011-03-18 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OBSEGP3PWWIDPCXWZBGAEEJTBT}

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	2026-05-18T02:22:18.234256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7064433f6fb590378af6c84c0211330cfe97fa0168b63fd907c4ffb64997d8df

Aliases

arxiv: 1103.3671 · arxiv_version: 1103.3671v2 · doi: 10.48550/arxiv.1103.3671 · pith_short_12: OBSEGP3PWWID · pith_short_16: OBSEGP3PWWIDPCXW · pith_short_8: OBSEGP3P

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/OBSEGP3PWWIDPCXWZBGAEEJTBT \
  | 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: 7064433f6fb590378af6c84c0211330cfe97fa0168b63fd907c4ffb64997d8df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "766090f632bc1778d284efa40f55bbb2853ce9620b6699bbaa0d8291c688fc87",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2011-03-18T17:31:41Z",
    "title_canon_sha256": "7893f26d0411fe39566e6c9678890766b57012319d49364f51b70d6a3566b999"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3671",
    "kind": "arxiv",
    "version": 2
  }
}