Pith Number

pith:PHWT63FS

pith:2017:PHWT63FSAEJGFIDMUJOLKK66FU

not attested not anchored not stored refs pending

Gravity as an SU(1,1) gauge theory in four dimensions

Hongguang Liu, Karim Noui

arxiv:1702.06793 v1 · 2017-02-22 · 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{PHWT63FSAEJGFIDMUJOLKK66FU}

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	2026-05-18T00:41:36.843628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79ed3f6cb2011262a06ca25cb52bde2d061a1bed9d05602e0622fa6997122910

Aliases

arxiv: 1702.06793 · arxiv_version: 1702.06793v1 · doi: 10.48550/arxiv.1702.06793 · pith_short_12: PHWT63FSAEJG · pith_short_16: PHWT63FSAEJGFIDM · pith_short_8: PHWT63FS

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/PHWT63FSAEJGFIDMUJOLKK66FU \
  | 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: 79ed3f6cb2011262a06ca25cb52bde2d061a1bed9d05602e0622fa6997122910

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "971291afe3345082ee4630ac217fbfc1db6becebab26758d3ae514371b3dcef5",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-02-22T13:35:19Z",
    "title_canon_sha256": "5b9f2163df790ba3dfb6483a1071535a0bfa35b95af007d5e0e4b63d6b83d4a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06793",
    "kind": "arxiv",
    "version": 1
  }
}