Pith Number

pith:5DE3JQO4

pith:2010:5DE3JQO4VB5Z5KYBLR5RNJFLTN

not attested not anchored not stored refs pending

Quantum Gravity from Noncommutative Spacetime

Hyun Seok Yang, Jungjai Lee

arxiv:1004.0745 v4 · 2010-04-06 · hep-th · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5DE3JQO4VB5Z5KYBLR5RNJFLTN}

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	2026-05-18T02:30:32.972370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8c9b4c1dca87b9eab015c7b16a4ab9b6d505cd0d2271da2b3537e04b4f23533

Aliases

arxiv: 1004.0745 · arxiv_version: 1004.0745v4 · doi: 10.48550/arxiv.1004.0745 · pith_short_12: 5DE3JQO4VB5Z · pith_short_16: 5DE3JQO4VB5Z5KYB · pith_short_8: 5DE3JQO4

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/5DE3JQO4VB5Z5KYBLR5RNJFLTN \
  | 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: e8c9b4c1dca87b9eab015c7b16a4ab9b6d505cd0d2271da2b3537e04b4f23533

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67e346be1f6e0694e9b46e3775252141a25df055005a59d9050c69ce516bac65",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2010-04-06T01:08:18Z",
    "title_canon_sha256": "0849c14c73b0e3582026464009cd942d8ac5abe5d11188a090bd61120bd6aea9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0745",
    "kind": "arxiv",
    "version": 4
  }
}