Pith Number

pith:WHHM2UHU

pith:2010:WHHM2UHUSSAPB4SKQ4LFPVFVR2

not attested not anchored not stored refs pending

On limitations of the extent of inertial frames in non-commutative relativistic spacetimes

Lee Smolin

arxiv:1007.0718 v3 · 2010-07-05 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WHHM2UHUSSAPB4SKQ4LFPVFVR2}

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	2026-05-18T04:42:23.801161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1cecd50f49480f0f24a871657d4b58ebb5b190e70835ea52e01a9e2904450a9

Aliases

arxiv: 1007.0718 · arxiv_version: 1007.0718v3 · doi: 10.48550/arxiv.1007.0718 · pith_short_12: WHHM2UHUSSAP · pith_short_16: WHHM2UHUSSAPB4SK · pith_short_8: WHHM2UHU

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/WHHM2UHUSSAPB4SKQ4LFPVFVR2 \
  | 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: b1cecd50f49480f0f24a871657d4b58ebb5b190e70835ea52e01a9e2904450a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dd714234089c70bbc90d28b7c1f6029126e3c7846d943fa71d35d20a99cd2e0",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-07-05T16:33:47Z",
    "title_canon_sha256": "36c7f94281b9170cbb27518dc08340dc4c8c3a10dc3ec6d5bb5c7c7ae1af090e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.0718",
    "kind": "arxiv",
    "version": 3
  }
}