Pith Number

pith:YRVX4XA6

pith:2019:YRVX4XA6LKTWMZK2MGMHVDYLAF

not attested not anchored not stored refs pending

Rough Contact in General Rough Mereology

A. Mani

arxiv:1905.04689 v1 · 2019-05-12 · cs.LO · cs.AI · 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{YRVX4XA6LKTWMZK2MGMHVDYLAF}

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	2026-05-17T23:40:48.871407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c46b7e5c1e5aa766655a61987a8f0b014552efc93bd69a4c5d85093902f0f7bf

Aliases

arxiv: 1905.04689 · arxiv_version: 1905.04689v1 · doi: 10.48550/arxiv.1905.04689 · pith_short_12: YRVX4XA6LKTW · pith_short_16: YRVX4XA6LKTWMZK2 · pith_short_8: YRVX4XA6

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/YRVX4XA6LKTWMZK2MGMHVDYLAF \
  | 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: c46b7e5c1e5aa766655a61987a8f0b014552efc93bd69a4c5d85093902f0f7bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b476d3c26555b65b7fd5a3c482326d77d1494e2dd52cea0662ce1a85bd8ecbf",
    "cross_cats_sorted": [
      "cs.AI",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-05-12T10:42:20Z",
    "title_canon_sha256": "6c4aae8ef9ad3f42bd69556ad1c1cf29cf01292665f1328309f1c048e12c9a1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04689",
    "kind": "arxiv",
    "version": 1
  }
}