Pith Number

pith:5GMXDTEP

pith:2020:5GMXDTEPBSE6AZGVACXOZ2AQDA

not attested not anchored not stored refs pending

Perturbative $S$-matrix unitarity ($S^{\dagger}S=1$) in $R_{\mu \nu} ^2$ gravity

Keisuke Izumi, Takeo Inami, Yugo Abe

arxiv:2012.01717 v4 · 2020-12-03 · 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{5GMXDTEPBSE6AZGVACXOZ2AQDA}

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.

Cited by

1 paper in Pith

The Sky Remembers everything: Celestial amplitude, Shadow and OPE in quadratic EFT of gravity

Receipt and verification

First computed	2026-07-05T02:49:21.464927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e99971cc8f0c89e064d500aeece8101811dc18f7373e3de077db8c91453fa447

Aliases

arxiv: 2012.01717 · arxiv_version: 2012.01717v4 · doi: 10.48550/arxiv.2012.01717 · pith_short_12: 5GMXDTEPBSE6 · pith_short_16: 5GMXDTEPBSE6AZGV · pith_short_8: 5GMXDTEP

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/5GMXDTEPBSE6AZGVACXOZ2AQDA \
  | 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: e99971cc8f0c89e064d500aeece8101811dc18f7373e3de077db8c91453fa447

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "758d97d3ada77d1e717a7f5d8660fc542c815a9ab0b0e27e6a483fde538338f0",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2020-12-03T06:02:22Z",
    "title_canon_sha256": "33ee4acaad1c163dce498adec9400c8265887ba7182e6ecf0956195e4261e65a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.01717",
    "kind": "arxiv",
    "version": 4
  }
}