Pith Number

pith:UBXZOV5E

pith:2015:UBXZOV5EA7B2QI37BBGZIFYLQG

not attested not anchored not stored refs pending

Valuations in Nilpotent Minimum Logic

Diego Valota, Pietro Codara

arxiv:1505.07508 v1 · 2015-05-27 · cs.LO · math.CO · 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{UBXZOV5EA7B2QI37BBGZIFYLQG}

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	2026-05-18T01:33:23.963336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a06f9757a407c3a8237f084d94170b81a137564b99f3559013151c9361005b25

Aliases

arxiv: 1505.07508 · arxiv_version: 1505.07508v1 · doi: 10.48550/arxiv.1505.07508 · pith_short_12: UBXZOV5EA7B2 · pith_short_16: UBXZOV5EA7B2QI37 · pith_short_8: UBXZOV5E

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/UBXZOV5EA7B2QI37BBGZIFYLQG \
  | 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: a06f9757a407c3a8237f084d94170b81a137564b99f3559013151c9361005b25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b78f70f0a7b2e4ab09ad2f7f3fe0d9719f72dcb65ab5a9313af602851b2b00e",
    "cross_cats_sorted": [
      "math.CO",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-05-27T22:49:19Z",
    "title_canon_sha256": "3bcaebbfeaed34d887bdffce7d0d3268da42813580fd94488821cc5ce2dd4985"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07508",
    "kind": "arxiv",
    "version": 1
  }
}