Pith Number

pith:PEIA3UUN

pith:2017:PEIA3UUNMI42WQXTKEVEU33AA7

not attested not anchored not stored refs pending

The four-dimensional on-shell three-point amplitude in spinor-helicity formalism and BCFW recursion relations

Andrea Marzolla

arxiv:1705.09678 v1 · 2017-05-26 · 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{PEIA3UUNMI42WQXTKEVEU33AA7}

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	2026-05-18T00:43:34.721786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79100dd28d6239ab42f3512a4a6f6007ce61248fa2b66e4aef093597df488784

Aliases

arxiv: 1705.09678 · arxiv_version: 1705.09678v1 · doi: 10.48550/arxiv.1705.09678 · pith_short_12: PEIA3UUNMI42 · pith_short_16: PEIA3UUNMI42WQXT · pith_short_8: PEIA3UUN

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/PEIA3UUNMI42WQXTKEVEU33AA7 \
  | 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: 79100dd28d6239ab42f3512a4a6f6007ce61248fa2b66e4aef093597df488784

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1987cace86b229ae83972859ee7fe59b8e78542bf8bd3fac5c96c27ebb125265",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2017-05-26T18:40:39Z",
    "title_canon_sha256": "4db68096ad4c79ec1b47f4c28abbaa2f6a6e4a0eca3d922a072ddfa00c530ca6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.09678",
    "kind": "arxiv",
    "version": 1
  }
}