Pith Number

pith:YETF5YRY

pith:2010:YETF5YRYVHIVT7EPBXUZBSH5TP

not attested not anchored not stored refs pending

A First Course on Twistors, Integrability and Gluon Scattering Amplitudes

Martin Wolf

arxiv:1001.3871 v2 · 2010-01-21 · hep-th · hep-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YETF5YRYVHIVT7EPBXUZBSH5TP}

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	2026-05-18T02:33:49.386058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1265ee238a9d159fc8f0de990c8fd9bcb091584091610a3c8398557fa63d255

Aliases

arxiv: 1001.3871 · arxiv_version: 1001.3871v2 · doi: 10.48550/arxiv.1001.3871 · pith_short_12: YETF5YRYVHIV · pith_short_16: YETF5YRYVHIVT7EP · pith_short_8: YETF5YRY

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/YETF5YRYVHIVT7EPBXUZBSH5TP \
  | 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: c1265ee238a9d159fc8f0de990c8fd9bcb091584091610a3c8398557fa63d255

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9482dc63e4f6483dfdc01dd635890c2ebe650aa1572c3aae53b758e312a1c65f",
    "cross_cats_sorted": [
      "hep-ph",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2010-01-21T19:37:32Z",
    "title_canon_sha256": "f25aa15d9a8f9d4a41834ddd7bb40eee333f7741d614b7d628dbd7e0b6f034b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3871",
    "kind": "arxiv",
    "version": 2
  }
}