Pith Number

pith:YK4QTERY

pith:2016:YK4QTERYP6ZYHVKQBHYNVVXZTL

not attested not anchored not stored refs pending

Positivity Sectors and the Amplituhedron

Daniele Galloni

arxiv:1601.02639 v1 · 2016-01-11 · hep-th · math-ph · math.AG · math.CO · 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{YK4QTERYP6ZYHVKQBHYNVVXZTL}

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	2026-05-18T01:23:01.905357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2b90992387fb383d55009f0dad6f99ade1ae7484e1e2de382b81b340f51986e

Aliases

arxiv: 1601.02639 · arxiv_version: 1601.02639v1 · doi: 10.48550/arxiv.1601.02639 · pith_short_12: YK4QTERYP6ZY · pith_short_16: YK4QTERYP6ZYHVKQ · pith_short_8: YK4QTERY

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/YK4QTERYP6ZYHVKQBHYNVVXZTL \
  | 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: c2b90992387fb383d55009f0dad6f99ade1ae7484e1e2de382b81b340f51986e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "345468fb22327ed11c76bb71b2cfe83e5e7b8c24884ed63ecbb2dae7fcbb2596",
    "cross_cats_sorted": [
      "math-ph",
      "math.AG",
      "math.CO",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2016-01-11T21:05:02Z",
    "title_canon_sha256": "e40f85b5db3b5bb11af0faf590123e9ffbf324bfb65f758a7d0ed1326e6b0c03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02639",
    "kind": "arxiv",
    "version": 1
  }
}