Pith Number

pith:H7Q5MW6D

pith:2015:H7Q5MW6DI5QAAZBJKBQYMCEXAF

not attested not anchored not stored refs pending

Blocks of homogeneous effect algebras

Gejza Jen\v{c}a

arxiv:1504.00354 v1 · 2015-04-01 · math.RA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H7Q5MW6DI5QAAZBJKBQYMCEXAF}

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	2026-05-18T02:19:44.046700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fe1d65bc3476000642950618608970146081cd7ad3609a07ee9bef0464320d7

Aliases

arxiv: 1504.00354 · arxiv_version: 1504.00354v1 · doi: 10.48550/arxiv.1504.00354 · pith_short_12: H7Q5MW6DI5QA · pith_short_16: H7Q5MW6DI5QAAZBJ · pith_short_8: H7Q5MW6D

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/H7Q5MW6DI5QAAZBJKBQYMCEXAF \
  | 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: 3fe1d65bc3476000642950618608970146081cd7ad3609a07ee9bef0464320d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6274f669f99e4d9e09e7ffd2a5d28282a1ba1bf75b69cb660b05435938f6aec8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-04-01T19:57:54Z",
    "title_canon_sha256": "6685294f8428f99ebefbad4f621a9f138e9773c3e958a26653b3607bd82e4658"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00354",
    "kind": "arxiv",
    "version": 1
  }
}