Pith Number

pith:UYQ6AN2J

pith:2015:UYQ6AN2JVGU5ACBQPNSK7LIXQY

not attested not anchored not stored refs pending

Top-forms of Leading Singularities in Nonplanar Multi-loop Amplitudes

Baoyi Chen, Gang Chen, Ruofei Xie, Yeuk-Kwan E. Cheung, Yuan Xin

arxiv:1507.03214 v3 · 2015-07-12 · 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{UYQ6AN2JVGU5ACBQPNSK7LIXQY}

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	2026-05-17T23:56:00.947820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a621e03749a9a9d008307b64afad178605749d374634a64753805fc481c2a119

Aliases

arxiv: 1507.03214 · arxiv_version: 1507.03214v3 · doi: 10.48550/arxiv.1507.03214 · pith_short_12: UYQ6AN2JVGU5 · pith_short_16: UYQ6AN2JVGU5ACBQ · pith_short_8: UYQ6AN2J

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/UYQ6AN2JVGU5ACBQPNSK7LIXQY \
  | 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: a621e03749a9a9d008307b64afad178605749d374634a64753805fc481c2a119

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4f7857297b0733bd059938fa6fb774a460856086a54834c3cae0438efa9d515",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-07-12T10:19:12Z",
    "title_canon_sha256": "843baa55c57075a339f3172727b04b4398b43f22a8c15bf8398ac98b0709d1ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03214",
    "kind": "arxiv",
    "version": 3
  }
}