Pith Number

pith:6U5SDDGZ

pith:2015:6U5SDDGZG75YP6NBYE5AWHOGHN

not attested not anchored not stored refs pending

Two roads to noncommutative causality

Fabien Besnard

arxiv:1508.01917 v1 · 2015-08-08 · math.OA · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6U5SDDGZG75YP6NBYE5AWHOGHN}

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	2026-05-18T01:34:15.096166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f53b218cd937fb87f9a1c13a0b1dc63b645bef6037867439abcad6dde66a45f0

Aliases

arxiv: 1508.01917 · arxiv_version: 1508.01917v1 · doi: 10.48550/arxiv.1508.01917 · pith_short_12: 6U5SDDGZG75Y · pith_short_16: 6U5SDDGZG75YP6NB · pith_short_8: 6U5SDDGZ

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/6U5SDDGZG75YP6NBYE5AWHOGHN \
  | 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: f53b218cd937fb87f9a1c13a0b1dc63b645bef6037867439abcad6dde66a45f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad2283b6dcdfed91950afe20dfa17f6a81e754123ce9e4a223f7ae38281ea997",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2015-08-08T15:30:10Z",
    "title_canon_sha256": "a5e6b24824552327cfcaab1aa92dd9987fff7a0a80fe3b297940cf5697b1e305"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01917",
    "kind": "arxiv",
    "version": 1
  }
}