Pith Number

pith:TZCP2L2G

pith:2014:TZCP2L2GIJFKSKOBULRH26YTKT

not attested not anchored not stored refs pending

Noncommutative geometry, Lorentzian structures and causality

Micha{\l} Eckstein, Nicolas Franco

arxiv:1409.1480 v1 · 2014-09-04 · math-ph · gr-qc · 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{TZCP2L2GIJFKSKOBULRH26YTKT}

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	2026-05-18T02:43:26.834513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e44fd2f46424aa929c1a2e27d7b1354cd68fd9f7f818aebf81186c4fa9f620d

Aliases

arxiv: 1409.1480 · arxiv_version: 1409.1480v1 · doi: 10.48550/arxiv.1409.1480 · pith_short_12: TZCP2L2GIJFK · pith_short_16: TZCP2L2GIJFKSKOB · pith_short_8: TZCP2L2G

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/TZCP2L2GIJFKSKOBULRH26YTKT \
  | 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: 9e44fd2f46424aa929c1a2e27d7b1354cd68fd9f7f818aebf81186c4fa9f620d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26c68512c234a346bb4e191f6ac350607fc64ff5115a8d64c190025ead0e09ed",
    "cross_cats_sorted": [
      "gr-qc",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-09-04T16:19:11Z",
    "title_canon_sha256": "d32ee2ad1b6f95dfb48e45c5504c10df548de356fbeb01f54a593e1968aa492c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1480",
    "kind": "arxiv",
    "version": 1
  }
}