Pith Number

pith:JDU4PQPE

pith:2015:JDU4PQPEKLVLAMPOZ7F3F4NFQT

not attested not anchored not stored refs pending

Bisimulation and expressivity for conditional belief, degrees of belief, and safe belief

Hans van Ditmarsch, Martin Holm Jensen, Mikkel Birkegaard Andersen, Thomas Bolander

arxiv:1506.07990 v2 · 2015-06-26 · cs.AI · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JDU4PQPEKLVLAMPOZ7F3F4NFQT}

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	2026-05-18T00:24:32.034623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48e9c7c1e452eab031eecfcbb2f1a584d937cb2cadfbe24a362de82a30f48909

Aliases

arxiv: 1506.07990 · arxiv_version: 1506.07990v2 · doi: 10.48550/arxiv.1506.07990 · pith_short_12: JDU4PQPEKLVL · pith_short_16: JDU4PQPEKLVLAMPO · pith_short_8: JDU4PQPE

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/JDU4PQPEKLVLAMPOZ7F3F4NFQT \
  | 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: 48e9c7c1e452eab031eecfcbb2f1a584d937cb2cadfbe24a362de82a30f48909

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "165621b232cabd4eacfc8ee7ca13e14b6e57c993fa57161307aff1f27e7d21cd",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2015-06-26T08:17:32Z",
    "title_canon_sha256": "a179729e6170afa4d9a73b18201a5565a3c359225a301c59c7d05ea9c868ff62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07990",
    "kind": "arxiv",
    "version": 2
  }
}