Pith Number

pith:2P75J775

pith:2013:2P75J775KJYZF7EHDY43J5WX7R

not attested not anchored not stored refs pending

Affine group formulation of the Standard Model coupled to gravity

Ching-Yi Chou, Chopin Soo, Eyo Ita

arxiv:1306.1489 v4 · 2013-06-06 · 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{2P75J775KJYZF7EHDY43J5WX7R}

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	2026-05-18T01:49:31.913959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3ffd4fffd527192fc871e39b4f6d7fc4404d0eb9f8e6807dd2cad6f01b5419f

Aliases

arxiv: 1306.1489 · arxiv_version: 1306.1489v4 · doi: 10.48550/arxiv.1306.1489 · pith_short_12: 2P75J775KJYZ · pith_short_16: 2P75J775KJYZF7EH · pith_short_8: 2P75J775

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/2P75J775KJYZF7EHDY43J5WX7R \
  | 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: d3ffd4fffd527192fc871e39b4f6d7fc4404d0eb9f8e6807dd2cad6f01b5419f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96b9fbd7e0d270e9af402f05d025a81429860fde05ba07f5f270707221192522",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-06-06T17:49:53Z",
    "title_canon_sha256": "fbb7d002a95267650b08c2d20cfbd3c3e73720153afb5c3a63fbe730471ec293"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1489",
    "kind": "arxiv",
    "version": 4
  }
}