Pith Number

pith:WYDCFMN4

pith:2015:WYDCFMN45QSE2SQIFIOPQYJU2M

not attested not anchored not stored refs pending

A Categorial Semantic Representation of Quantum Event Structures

Elias Zafiris, Vassilios Karakostas

arxiv:1504.01338 v1 · 2015-04-06 · quant-ph · math-ph · math.CT · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WYDCFMN45QSE2SQIFIOPQYJU2M}

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	2026-05-18T02:19:34.608987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b60622b1bcec244d4a082a1cf86134d32c9179cc7b27702f4f03961f5e7ab72d

Aliases

arxiv: 1504.01338 · arxiv_version: 1504.01338v1 · doi: 10.48550/arxiv.1504.01338 · pith_short_12: WYDCFMN45QSE · pith_short_16: WYDCFMN45QSE2SQI · pith_short_8: WYDCFMN4

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/WYDCFMN45QSE2SQIFIOPQYJU2M \
  | 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: b60622b1bcec244d4a082a1cf86134d32c9179cc7b27702f4f03961f5e7ab72d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7763d2752c26b64a3f41d6a96655c7c7712bb8e79cc98f1d992cccf204c5565d",
    "cross_cats_sorted": [
      "math-ph",
      "math.CT",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-06T17:54:07Z",
    "title_canon_sha256": "461a57ce209fbe1a9da584047f1b3a9c21c33a342f0477ff2c4a6306669b6516"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01338",
    "kind": "arxiv",
    "version": 1
  }
}