Pith. sign in
Pith Number

pith:GI5BDLVA

pith:2021:GI5BDLVALANDMRQAZHK55SUFBF
not attested not anchored not stored refs pending

M2-doughnuts

Maxime Trepanier, Nadav Drukker

arxiv:2111.09385 v2 · 2021-11-17 · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{GI5BDLVALANDMRQAZHK55SUFBF}

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 2026-07-05T03:55:50.632029Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

323a11aea0581a364600c9d5deca850942e63562180890b9dfaedf6f22e41a1f

Aliases

arxiv: 2111.09385 · arxiv_version: 2111.09385v2 · doi: 10.48550/arxiv.2111.09385 · pith_short_12: GI5BDLVALAND · pith_short_16: GI5BDLVALANDMRQA · pith_short_8: GI5BDLVA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GI5BDLVALANDMRQAZHK55SUFBF \
  | 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: 323a11aea0581a364600c9d5deca850942e63562180890b9dfaedf6f22e41a1f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "286a19c93ad437f9674d946d564ffccb306ddb09673f8db6fecad4a993defd79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-11-17T20:42:09Z",
    "title_canon_sha256": "87a08aedd8f4ce0deaa37fb0b57ec9e3fec79855dcc9e0dfbc6703e125c2e3f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.09385",
    "kind": "arxiv",
    "version": 2
  }
}