Pith Number

pith:UHRREPLM

pith:2025:UHRREPLMRAJ6KVY2BCTBOKWZDB

not attested not anchored not stored refs pending

Exterior Cyclic Polytopes and Convexity of Amplituhedra

Elia Mazzucchelli, Elizabeth Pratt

arxiv:2507.17620 v1 · 2025-07-23 · math.CO · hep-th · 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{UHRREPLMRAJ6KVY2BCTBOKWZDB}

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

Multi-Loop Negative Geometries

Receipt and verification

First computed	2026-07-05T11:42:34.201725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1e3123d6c8813e5571a08a6172ad918729b6ee1ad0e05a138697efacc5d74c6

Aliases

arxiv: 2507.17620 · arxiv_version: 2507.17620v1 · doi: 10.48550/arxiv.2507.17620 · pith_short_12: UHRREPLMRAJ6 · pith_short_16: UHRREPLMRAJ6KVY2 · pith_short_8: UHRREPLM

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/UHRREPLMRAJ6KVY2BCTBOKWZDB \
  | 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: a1e3123d6c8813e5571a08a6172ad918729b6ee1ad0e05a138697efacc5d74c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bda6b99b8511985874587271b5583107e116c51e9eedb78b3d5f6fd4508e0803",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-07-23T15:52:37Z",
    "title_canon_sha256": "0aead8eeb7cffcb470e1dfcc512ae33588e1121dafd231bd942ae1c31a150588"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.17620",
    "kind": "arxiv",
    "version": 1
  }
}