Pith Number

pith:MLDIHCQZ

pith:2011:MLDIHCQZK5C5KTI4K67HDF3DSG

not attested not anchored not stored refs pending

A Logic for True Concurrency

Paolo Baldan, Silvia Crafa

arxiv:1110.4094 v2 · 2011-10-18 · 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{MLDIHCQZK5C5KTI4K67HDF3DSG}

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	2026-05-18T02:21:35.211866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62c6838a195745d54d1c57be719763918a8266a58c3c8f2b425cef6e999c7e21

Aliases

arxiv: 1110.4094 · arxiv_version: 1110.4094v2 · doi: 10.48550/arxiv.1110.4094 · pith_short_12: MLDIHCQZK5C5 · pith_short_16: MLDIHCQZK5C5KTI4 · pith_short_8: MLDIHCQZ

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/MLDIHCQZK5C5KTI4K67HDF3DSG \
  | 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: 62c6838a195745d54d1c57be719763918a8266a58c3c8f2b425cef6e999c7e21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "900c89394cad9a2227680290641d0f478120bea3b34e4359c1c8af5b8fb75879",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-10-18T19:30:26Z",
    "title_canon_sha256": "1221ef5f67c13912861357e01e843858f8df9196471be4ca192977d63883ca9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4094",
    "kind": "arxiv",
    "version": 2
  }
}