Pith Number

pith:34BYICYW

pith:2021:34BYICYWRVP4DZ4KPNBLLXHEK7

not attested not anchored not stored refs pending

Tree-level scattering amplitudes in nonlocal field theories

Gianluca Calcagni, Leonardo Modesto

arxiv:2107.04558 v2 · 2021-07-09 · 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{34BYICYWRVP4DZ4KPNBLLXHEK7}

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

Eikonal, nonlocality and regular black holes

Receipt and verification

First computed	2026-07-05T03:26:42.646708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df03840b168d5fc1e78a7b42b5dce457e7463f07023f107651388bc64aa2e84d

Aliases

arxiv: 2107.04558 · arxiv_version: 2107.04558v2 · doi: 10.48550/arxiv.2107.04558 · pith_short_12: 34BYICYWRVP4 · pith_short_16: 34BYICYWRVP4DZ4K · pith_short_8: 34BYICYW

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/34BYICYWRVP4DZ4KPNBLLXHEK7 \
  | 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: df03840b168d5fc1e78a7b42b5dce457e7463f07023f107651388bc64aa2e84d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acdac800efc412b67f0d34dc5a5d05c3dd7e41d0c994023402ba7259860bda2c",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-07-09T17:22:27Z",
    "title_canon_sha256": "07050dc252bb1afbfda650d70b15bf91b53519ebe36c0abea468e04373e74fe2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.04558",
    "kind": "arxiv",
    "version": 2
  }
}