Pith Number

pith:FUSCVDC2

pith:2015:FUSCVDC2ABR5PSLHSRU323W5AN

not attested not anchored not stored refs pending

QCD Amplitudes: new perspectives on Feynman integral calculus

Pierpaolo Mastrolia

arxiv:1507.03226 v1 · 2015-07-12 · hep-ph · 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{FUSCVDC2ABR5PSLHSRU323W5AN}

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	2026-05-18T01:36:59.338265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d242a8c5a0063d7c9679469bd6edd0348816f76e30a2ec3d415286803ec9fb8

Aliases

arxiv: 1507.03226 · arxiv_version: 1507.03226v1 · doi: 10.48550/arxiv.1507.03226 · pith_short_12: FUSCVDC2ABR5 · pith_short_16: FUSCVDC2ABR5PSLH · pith_short_8: FUSCVDC2

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/FUSCVDC2ABR5PSLHSRU323W5AN \
  | 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: 2d242a8c5a0063d7c9679469bd6edd0348816f76e30a2ec3d415286803ec9fb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54b76897c66335c8d8defcc62fe8befa16020594db57b32612c2f2caeb5c4759",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2015-07-12T12:40:38Z",
    "title_canon_sha256": "e090a53d50d584543774205d3b31fc42c63b2fa4047e8eeb5c9231b9a39a41e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03226",
    "kind": "arxiv",
    "version": 1
  }
}