pith. sign in
Pith Number

pith:JLFNPROK

pith:2016:JLFNPROK5T247CDOPAQMAD2PQL
not attested not anchored not stored refs pending

Real topological string amplitudes

A. Tanzini, K.S. Narain, N. Piazzalunga

arxiv:1612.07544 v1 · 2016-12-22 · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JLFNPROK5T247CDOPAQMAD2PQL}

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 2026-05-18T00:48:36.835236Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4acad7c5caecf5cf886e7820c00f4f82c74f7f40c269ed61d96e9da3edca4584

Aliases

arxiv: 1612.07544 · arxiv_version: 1612.07544v1 · doi: 10.48550/arxiv.1612.07544 · pith_short_12: JLFNPROK5T24 · pith_short_16: JLFNPROK5T247CDO · pith_short_8: JLFNPROK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JLFNPROK5T247CDOPAQMAD2PQL \
  | 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: 4acad7c5caecf5cf886e7820c00f4f82c74f7f40c269ed61d96e9da3edca4584
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a2a118d2a135732190321f909b0c197135ba97517352bd58aac8c397b2ea1f2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2016-12-22T11:03:41Z",
    "title_canon_sha256": "b81c82710fa44a0905d6b8f9a1ce3be437b4b0f9750da6bfa6f9c18bb6d4a810"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07544",
    "kind": "arxiv",
    "version": 1
  }
}