Pith Number

pith:LAM2ZEDN

pith:2019:LAM2ZEDNWKW5QTS4QD6SJAWSI2

not attested not anchored not stored refs pending

Scalar-Graviton Amplitudes

Andrea Cristofoli, Humberto Gomez, N. E. J. Bjerrum-Bohr, Poul H. Damgaard

arxiv:1908.09755 v1 · 2019-08-26 · 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{LAM2ZEDNWKW5QTS4QD6SJAWSI2}

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

On the Double Copy for Spinning Matter

Receipt and verification

First computed	2026-07-05T00:36:32.483493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5819ac906db2add84e5c80fd2482d24684695520e6425cea52f0bebbb55c9f12

Aliases

arxiv: 1908.09755 · arxiv_version: 1908.09755v1 · doi: 10.48550/arxiv.1908.09755 · pith_short_12: LAM2ZEDNWKW5 · pith_short_16: LAM2ZEDNWKW5QTS4 · pith_short_8: LAM2ZEDN

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/LAM2ZEDNWKW5QTS4QD6SJAWSI2 \
  | 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: 5819ac906db2add84e5c80fd2482d24684695520e6425cea52f0bebbb55c9f12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d8200198be3b02516c1726cec2a05a511d87ec8ab32936dff4f90eefff4bbac",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-08-26T15:56:06Z",
    "title_canon_sha256": "6a31c8c4caf7e837b7e14c39828073525a8602688cdb41d3cd08893cb9206bd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09755",
    "kind": "arxiv",
    "version": 1
  }
}