Pith Number

pith:ULDSU7HP

pith:2018:ULDSU7HPTDLWWIHESTDYLHZOUB

not attested not anchored not stored refs pending

Triangulation of 2-loop MHV Amplituhedron from Sign Flips

Ryota Kojima

arxiv:1812.01822 v2 · 2018-12-05 · 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{ULDSU7HPTDLWWIHESTDYLHZOUB}

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

Leading singularities and chambers of Correlahedron

Receipt and verification

First computed	2026-05-17T23:48:39.748518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2c72a7cef98d76b20e494c7859f2ea05c8743599de096877d5d65d247b8c463

Aliases

arxiv: 1812.01822 · arxiv_version: 1812.01822v2 · doi: 10.48550/arxiv.1812.01822 · pith_short_12: ULDSU7HPTDLW · pith_short_16: ULDSU7HPTDLWWIHE · pith_short_8: ULDSU7HP

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/ULDSU7HPTDLWWIHESTDYLHZOUB \
  | 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: a2c72a7cef98d76b20e494c7859f2ea05c8743599de096877d5d65d247b8c463

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a319c38d4cac6416412cf664507831a368d16656cf4d8a0c0e2746d920a676f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-12-05T05:32:36Z",
    "title_canon_sha256": "85aaf30448b90915255e47611140c28fd4e00107d3bee46ada8b9577f441dd78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01822",
    "kind": "arxiv",
    "version": 2
  }
}