Pith Number

pith:KU7FQNBX

pith:2020:KU7FQNBXP4YCA5VP46OLOIXI73

not attested not anchored not stored refs pending

The symbol and alphabet of two-loop NMHV amplitudes from $\bar{Q}$ equations

Chi Zhang, Song He, Zhenjie Li

arxiv:2009.11471 v2 · 2020-09-24 · 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{KU7FQNBXP4YCA5VP46OLOIXI73}

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.

Cited by

1 paper in Pith

Double spacelike collinear limits from multi-Regge kinematics

Receipt and verification

First computed	2026-07-05T02:31:42.294360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

553e5834377f302076afe79cb722e8fee9b17c0ecf8fa0a99b23ead32035bfad

Aliases

arxiv: 2009.11471 · arxiv_version: 2009.11471v2 · doi: 10.48550/arxiv.2009.11471 · pith_short_12: KU7FQNBXP4YC · pith_short_16: KU7FQNBXP4YCA5VP · pith_short_8: KU7FQNBX

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/KU7FQNBXP4YCA5VP46OLOIXI73 \
  | 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: 553e5834377f302076afe79cb722e8fee9b17c0ecf8fa0a99b23ead32035bfad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04e178bf122d60a3b6e9434f9645131dd07ef2330f251c4418923fea36a259a4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2020-09-24T03:38:16Z",
    "title_canon_sha256": "d699da3511e297b5934a5d8c9ff051613449b8f5eaa902e1f3e23965b9c28c25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.11471",
    "kind": "arxiv",
    "version": 2
  }
}