Pith Number

pith:QBRBDQZ3

pith:2019:QBRBDQZ3HKC5FBZPO63DESMH5B

not attested not anchored not stored refs pending

The Momentum Amplituhedron

David Damgaard, Livia Ferro, Matteo Parisi, Tomasz Lukowski

arxiv:1905.04216 v1 · 2019-05-10 · 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{QBRBDQZ3HKC5FBZPO63DESMH5B}

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

3 papers in Pith

Multi-Loop Negative Geometries

BCFW like recursion for Deformed Associahedron

Loops and legs: ABJM amplitudes from $f$-graphs

Receipt and verification

First computed	2026-07-05T00:01:51.723420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

806211c33b3a85d2872f77b6324987e848aa9bfbab8937587e623d79a7eda862

Aliases

arxiv: 1905.04216 · arxiv_version: 1905.04216v1 · doi: 10.48550/arxiv.1905.04216 · pith_short_12: QBRBDQZ3HKC5 · pith_short_16: QBRBDQZ3HKC5FBZP · pith_short_8: QBRBDQZ3

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/QBRBDQZ3HKC5FBZPO63DESMH5B \
  | 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: 806211c33b3a85d2872f77b6324987e848aa9bfbab8937587e623d79a7eda862

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d265bb40b76c89742233c7959fe22985165e58cb21ab1f099d46833832f8ffa5",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-05-10T15:25:31Z",
    "title_canon_sha256": "950a367cc6e504f65b97128598be6a18fc18fdee2a885ffb90c7f74f003119ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04216",
    "kind": "arxiv",
    "version": 1
  }
}