Pith Number

pith:YUXIQ2KU

pith:2019:YUXIQ2KU4VYPSU26IFZVWPJ57Y

not attested not anchored not stored refs pending

All-loop cuts from the Amplituhedron

Akshay Yelleshpur Srikant, Cameron Langer

arxiv:1902.05951 v1 · 2019-02-15 · 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{YUXIQ2KU4VYPSU26IFZVWPJ57Y}

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	2026-05-17T23:47:17.079371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c52e886954e570f9535e41735b3d3dfe02742f3cafca26160cca43786b4f01d6

Aliases

arxiv: 1902.05951 · arxiv_version: 1902.05951v1 · doi: 10.48550/arxiv.1902.05951 · pith_short_12: YUXIQ2KU4VYP · pith_short_16: YUXIQ2KU4VYPSU26 · pith_short_8: YUXIQ2KU

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/YUXIQ2KU4VYPSU26IFZVWPJ57Y \
  | 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: c52e886954e570f9535e41735b3d3dfe02742f3cafca26160cca43786b4f01d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52629145cd36515ea15a871ff888d42618ed166fa414136dbf3de58cd577b866",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-02-15T19:00:00Z",
    "title_canon_sha256": "938e79ac6e996ffd3f8f3218a2f577b24c9311365a1b92a526cac654249376fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05951",
    "kind": "arxiv",
    "version": 1
  }
}