Pith Number

pith:T2U47UXW

pith:2013:T2U47UXWFVFWZO5X3SKVMLWKHV

not attested not anchored not stored refs pending

Cluster algebras in scattering amplitudes with special 2D kinematics

Marcus A. C. Torres

arxiv:1310.6906 v3 · 2013-10-25 · 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{T2U47UXWFVFWZO5X3SKVMLWKHV}

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	2026-05-18T03:00:51.372969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ea9cfd2f62d4b6cbbb7dc95562eca3d6a4aa1b2fbfd251e93dfeab333e4b86f

Aliases

arxiv: 1310.6906 · arxiv_version: 1310.6906v3 · doi: 10.48550/arxiv.1310.6906 · pith_short_12: T2U47UXWFVFW · pith_short_16: T2U47UXWFVFWZO5X · pith_short_8: T2U47UXW

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/T2U47UXWFVFWZO5X3SKVMLWKHV \
  | 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: 9ea9cfd2f62d4b6cbbb7dc95562eca3d6a4aa1b2fbfd251e93dfeab333e4b86f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1581a857a2e5c028db73285692c7cbf54de36ae718dd1fa7468fdedfe42b90be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-10-25T13:19:18Z",
    "title_canon_sha256": "68a2de2082b9aeaf171b682a562c987fbce85154c483c5e54802f7e7741b1954"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6906",
    "kind": "arxiv",
    "version": 3
  }
}