Pith Number

pith:325YSZTA

pith:2015:325YSZTAY5S34R2GU3LFLMPRRH

not attested not anchored not stored refs pending

The CHY representation of tree-level primitive QCD amplitudes

Alexander Kniss, Leonardo de la Cruz, Stefan Weinzierl

arxiv:1508.06557 v2 · 2015-08-26 · hep-th · 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{325YSZTAY5S34R2GU3LFLMPRRH}

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	2026-05-18T01:18:43.488942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

debb896660c765be4746a6d655b1f189d74e69baeaac0236254c3e64364493df

Aliases

arxiv: 1508.06557 · arxiv_version: 1508.06557v2 · doi: 10.48550/arxiv.1508.06557 · pith_short_12: 325YSZTAY5S3 · pith_short_16: 325YSZTAY5S34R2G · pith_short_8: 325YSZTA

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/325YSZTAY5S34R2GU3LFLMPRRH \
  | 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: debb896660c765be4746a6d655b1f189d74e69baeaac0236254c3e64364493df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67ada477ef6034b04108104f7133d81ffc1d00458f0ca394672aca8ecaedc121",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-08-26T16:25:04Z",
    "title_canon_sha256": "46c9bfa0369087c1759c626d3995b1b626e337648fafa3c3bbd3f0aa5c813280"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06557",
    "kind": "arxiv",
    "version": 2
  }
}