Pith Number

pith:ZYPVCAA3

pith:2012:ZYPVCAA3ZBGPJ3HW3XBH37MFQ7

not attested not anchored not stored refs pending

Lattice based Least Fixed Point Logic

Flemming Nielson, Hanne Riis Nielson, Piotr Filipiuk

arxiv:1207.5384 v1 · 2012-07-23 · 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{ZYPVCAA3ZBGPJ3HW3XBH37MFQ7}

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	2026-05-18T03:50:23.697500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce1f51001bc84cf4ecf6ddc27dfd8587d8c108b2f1d03d4aeef65a8bb877e1bf

Aliases

arxiv: 1207.5384 · arxiv_version: 1207.5384v1 · doi: 10.48550/arxiv.1207.5384 · pith_short_12: ZYPVCAA3ZBGP · pith_short_16: ZYPVCAA3ZBGPJ3HW · pith_short_8: ZYPVCAA3

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/ZYPVCAA3ZBGPJ3HW3XBH37MFQ7 \
  | 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: ce1f51001bc84cf4ecf6ddc27dfd8587d8c108b2f1d03d4aeef65a8bb877e1bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e91837d67c007d3600bb9ae97e909ee71640ed50751f783c216dd9d32a5958a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2012-07-23T13:15:24Z",
    "title_canon_sha256": "55ac1f27059414fbf67811bc95cbdace114bf50ce26cbbbe0cb04bc5e6225ef6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5384",
    "kind": "arxiv",
    "version": 1
  }
}