Pith Number

pith:Y4R75YMJ

pith:2015:Y4R75YMJXSNHUKSEANBJVH7AP7

not attested not anchored not stored refs pending

Quantization of Spacetime Based on Spacetime Interval Operator

Hsu-Wen Chiang, Pisin Chen, Yao-Chieh Hu

arxiv:1512.03157 v3 · 2015-12-10 · hep-th · 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{Y4R75YMJXSNHUKSEANBJVH7AP7}

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	2026-05-18T01:16:16.847148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c723fee189bc9a7a2a4403429a9fe07fcbd328557c78cfa4bd7079ce16aab80e

Aliases

arxiv: 1512.03157 · arxiv_version: 1512.03157v3 · doi: 10.48550/arxiv.1512.03157 · pith_short_12: Y4R75YMJXSNH · pith_short_16: Y4R75YMJXSNHUKSE · pith_short_8: Y4R75YMJ

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/Y4R75YMJXSNHUKSEANBJVH7AP7 \
  | 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: c723fee189bc9a7a2a4403429a9fe07fcbd328557c78cfa4bd7079ce16aab80e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39630c45a1c3347cce860eb4b39e7f20dcdb276a90a6bdaeeeb79558878bc6d2",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-12-10T07:23:17Z",
    "title_canon_sha256": "41ba61273222ccec1860c0b17b551754988eb9b55ea6a25d7ca45be951a99001"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03157",
    "kind": "arxiv",
    "version": 3
  }
}