Pith Number

pith:TMIKCD3Y

pith:2011:TMIKCD3YWOQYTB6UCQXXNMIPT6

not attested not anchored not stored refs pending

Causality in noncommutative spacetime

Everton M. C. Abreu, Mario J. Neves

arxiv:1108.5133 v1 · 2011-08-25 · hep-th · gr-qc · math-ph · 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{TMIKCD3YWOQYTB6UCQXXNMIPT6}

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	2026-05-18T04:05:47.139690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b10a10f78b3a18987d4142f76b10f9f9c0ed94353dec0b1e33ccbc317e21aba

Aliases

arxiv: 1108.5133 · arxiv_version: 1108.5133v1 · doi: 10.48550/arxiv.1108.5133 · pith_short_12: TMIKCD3YWOQY · pith_short_16: TMIKCD3YWOQYTB6U · pith_short_8: TMIKCD3Y

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/TMIKCD3YWOQYTB6UCQXXNMIPT6 \
  | 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: 9b10a10f78b3a18987d4142f76b10f9f9c0ed94353dec0b1e33ccbc317e21aba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bfb9b33aa78cb62de6cd5db3b673b7149924f601d3d51e07ac0ec4544392e16",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-08-25T17:07:04Z",
    "title_canon_sha256": "3c53b12115017df4dc1dd5dafe2967ef15121953f210179e6515c2030277df52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5133",
    "kind": "arxiv",
    "version": 1
  }
}