Pith Number

pith:UNGIXDPN

pith:2018:UNGIXDPNPGKJWQSIUH3WHYSNQN

not attested not anchored not stored refs pending

A Proof-Theoretic Semantic Analysis of Dynamic Epistemic Logic

Alessandra Palmigiano, Alexander Kurz, Giuseppe Greco, Sabine Frittella, Vlasta Sikimi\'c

arxiv:1805.07584 v1 · 2018-05-19 · math.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{UNGIXDPNPGKJWQSIUH3WHYSNQN}

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	2026-05-18T00:15:33.146993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a34c8b8ded79949b4248a1f763e24d8350d7205f615cb0c4728453e3f7130fc2

Aliases

arxiv: 1805.07584 · arxiv_version: 1805.07584v1 · doi: 10.48550/arxiv.1805.07584 · pith_short_12: UNGIXDPNPGKJ · pith_short_16: UNGIXDPNPGKJWQSI · pith_short_8: UNGIXDPN

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/UNGIXDPNPGKJWQSIUH3WHYSNQN \
  | 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: a34c8b8ded79949b4248a1f763e24d8350d7205f615cb0c4728453e3f7130fc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23776c29252155eec2b3a52517e7b22892386ba12be1a2399c86c5681c014d5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-05-19T12:50:02Z",
    "title_canon_sha256": "e0e22469769b5163b15a7d631499eecbd27141b080d203643ed95bf9e2df31f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07584",
    "kind": "arxiv",
    "version": 1
  }
}