Pith Number

pith:TLEF35QA

pith:2016:TLEF35QAHD44W6ADVFQWMTJEZ5

not attested not anchored not stored refs pending

The two-loop n-point all-plus helicity amplitude

David C. Dunbar, Guy R. Jehu, Warren B. Perkins

arxiv:1604.06631 v2 · 2016-04-22 · 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{TLEF35QAHD44W6ADVFQWMTJEZ5}

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	2026-05-18T01:10:49.644707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ac85df60038f9cb7803a961664d24cf70beb1ef012010c667c89b7c21a4988b

Aliases

arxiv: 1604.06631 · arxiv_version: 1604.06631v2 · doi: 10.48550/arxiv.1604.06631 · pith_short_12: TLEF35QAHD44 · pith_short_16: TLEF35QAHD44W6AD · pith_short_8: TLEF35QA

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/TLEF35QAHD44W6ADVFQWMTJEZ5 \
  | 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: 9ac85df60038f9cb7803a961664d24cf70beb1ef012010c667c89b7c21a4988b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e56dbb5da767efab05644d65d383cba28731ec8d275928f70a4ab430e1708b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2016-04-22T12:42:20Z",
    "title_canon_sha256": "e577cebab1007312e868271cb07ef17297514600a59a52331221d2a69e4890b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.06631",
    "kind": "arxiv",
    "version": 2
  }
}