Pith Number

pith:IFX6MUQX

pith:2018:IFX6MUQXZXQRTODBLUHZTFSHDJ

not attested not anchored not stored refs pending

A new method for one-loop amplitude generation and reduction in OpenLoops

Federico Buccioni, Max Zoller, Stefano Pozzorini

arxiv:1801.03772 v1 · 2018-01-11 · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IFX6MUQXZXQRTODBLUHZTFSHDJ}

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	2026-05-18T00:26:13.492715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

416fe65217cde119b8615d0f9996471a4f01311931b8fb00b35e083bc6dfff3d

Aliases

arxiv: 1801.03772 · arxiv_version: 1801.03772v1 · doi: 10.48550/arxiv.1801.03772 · pith_short_12: IFX6MUQXZXQR · pith_short_16: IFX6MUQXZXQRTODB · pith_short_8: IFX6MUQX

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/IFX6MUQXZXQRTODBLUHZTFSHDJ \
  | 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: 416fe65217cde119b8615d0f9996471a4f01311931b8fb00b35e083bc6dfff3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b94697c97216c5b42bfd762dfef4ceac02bb5d7d3917936083c44a6a0172f1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2018-01-11T14:22:28Z",
    "title_canon_sha256": "b1adcb200fdd6c2ad7d6352e0942b5368b47261aad14ecff7a57df31492dd33a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03772",
    "kind": "arxiv",
    "version": 1
  }
}