Pith Number

pith:AJR6HEE3

pith:2010:AJR6HEE3MA36ZJDEUZEFATRPDV

not attested not anchored not stored refs pending

Characterizing perfect recall using next-step temporal operators in S5 and sub-S5 Epistemic Temporal Logic

Andreas Witzel

arxiv:1010.0225 v2 · 2010-10-01 · 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{AJR6HEE3MA36ZJDEUZEFATRPDV}

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	2026-05-18T04:26:54.594465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0263e3909b6037eca464a648504e2f1d4d705119a66cb40c84a338525030d8e7

Aliases

arxiv: 1010.0225 · arxiv_version: 1010.0225v2 · doi: 10.48550/arxiv.1010.0225 · pith_short_12: AJR6HEE3MA36 · pith_short_16: AJR6HEE3MA36ZJDE · pith_short_8: AJR6HEE3

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/AJR6HEE3MA36ZJDEUZEFATRPDV \
  | 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: 0263e3909b6037eca464a648504e2f1d4d705119a66cb40c84a338525030d8e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c30a0501109ae40b84fe5141e2e2851ac3b74f0908ad46a96ed3e7e283e8ab02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2010-10-01T18:02:05Z",
    "title_canon_sha256": "c745b15a92ebe3f13bb6b435bf24de7556494ec2b6c8e8342bb501cc52a6bfad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.0225",
    "kind": "arxiv",
    "version": 2
  }
}