Pith Number

pith:3YCCQWMM

pith:2016:3YCCQWMMNCBUII3WUGOVFKO3C4

not attested not anchored not stored refs pending

Two-Loop Scattering Amplitudes from the Riemann Sphere

Lionel Mason, Piotr Tourkine, Ricardo Monteiro, Yvonne Geyer

arxiv:1607.08887 v1 · 2016-07-29 · 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{3YCCQWMMNCBUII3WUGOVFKO3C4}

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	2026-05-18T00:53:25.700455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de0428598c6883442376a19d52a9db1737bbe963e48b4046c805cba93950c564

Aliases

arxiv: 1607.08887 · arxiv_version: 1607.08887v1 · doi: 10.48550/arxiv.1607.08887 · pith_short_12: 3YCCQWMMNCBU · pith_short_16: 3YCCQWMMNCBUII3W · pith_short_8: 3YCCQWMM

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/3YCCQWMMNCBUII3WUGOVFKO3C4 \
  | 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: de0428598c6883442376a19d52a9db1737bbe963e48b4046c805cba93950c564

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97f253567b1f023e82faa62eacfec4c69a23f9674f128e96a68f915d6be086e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2016-07-29T18:25:35Z",
    "title_canon_sha256": "a2f11181b5efa4301a19ace6689b63594f32018fb56abfd57861dbc74c26f9d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.08887",
    "kind": "arxiv",
    "version": 1
  }
}