Pith. sign in
Pith Number

pith:227TMYLZ

pith:2019:227TMYLZOG6KQTPBO73QS3DLS6
not attested not anchored not stored refs pending

Gravity loop integrands from the ultraviolet

Alex Edison, Enrico Herrmann, Jaroslav Trnka, Julio Parra-Martinez

arxiv:1909.02003 v4 · 2019-09-04 · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{227TMYLZOG6KQTPBO73QS3DLS6}

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 2026-07-05T02:15:08.997675Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d6bf36617971bca84de177f7096c6b978477b0f6ef008b5cfb0b76c037274c4e

Aliases

arxiv: 1909.02003 · arxiv_version: 1909.02003v4 · doi: 10.48550/arxiv.1909.02003 · pith_short_12: 227TMYLZOG6K · pith_short_16: 227TMYLZOG6KQTPB · pith_short_8: 227TMYLZ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/227TMYLZOG6KQTPBO73QS3DLS6 \
  | 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: d6bf36617971bca84de177f7096c6b978477b0f6ef008b5cfb0b76c037274c4e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bebc5b7c86229d0885f85ee659f4ba5564ee1942fe7c8aa35fe215f861529b04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-09-04T18:00:00Z",
    "title_canon_sha256": "a1e73a6185bfb7b7b90c23ce5bb64e6b9dbd6478b9ef920200977f3943e88f34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02003",
    "kind": "arxiv",
    "version": 4
  }
}