Pith Number

pith:VVRNLDQE

pith:2025:VVRNLDQE2EALBICQYHQIC46KYY

not attested not anchored not stored refs pending

BCFW tilings and cluster adjacency for the amplituhedron

Chaim Even-Zohar, Lauren Williams, Matteo Parisi, Melissa Sherman-Bennett, Ran Tessler, Tsviqa Lakrec

arxiv:2504.01217 v1 · 2025-04-01 · math.CO · hep-th · math-ph · math.AG · 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{VVRNLDQE2EALBICQYHQIC46KYY}

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	2026-07-05T10:45:20.222045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad62d58e04d100b0a050c1e08173cac61f39c6ab1d687392166f745d7b3eb4f5

Aliases

arxiv: 2504.01217 · arxiv_version: 2504.01217v1 · doi: 10.48550/arxiv.2504.01217 · pith_short_12: VVRNLDQE2EAL · pith_short_16: VVRNLDQE2EALBICQ · pith_short_8: VVRNLDQE

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/VVRNLDQE2EALBICQYHQIC46KYY \
  | 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: ad62d58e04d100b0a050c1e08173cac61f39c6ab1d687392166f745d7b3eb4f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6601d400200513cbb586e9b3d9ed387bf9297f9d31b7a1cc66da30cb5f8520b3",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.AG",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-04-01T22:13:31Z",
    "title_canon_sha256": "e4d176efc114b0a47f4043175a0282c5eb40fbc349ef87104f384a86d006a6fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.01217",
    "kind": "arxiv",
    "version": 1
  }
}