Pith Number

pith:3QTZYZGZ

pith:2015:3QTZYZGZBX75EA4KFZLQLL7AXS

not attested not anchored not stored refs pending

Cohomology of the tetrahedral complex and quasi-invariants of 2-knots

D.V. Talalaev, G.I. Sharygin, I.G. Korepanov

arxiv:1510.03015 v1 · 2015-10-11 · math-ph · math.GT · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3QTZYZGZBX75EA4KFZLQLL7AXS}

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	2026-05-18T01:30:32.970357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc279c64d90dffd2038a2e5705afe0bc8a66179e0e87c2a766384b8f23ed018f

Aliases

arxiv: 1510.03015 · arxiv_version: 1510.03015v1 · doi: 10.48550/arxiv.1510.03015 · pith_short_12: 3QTZYZGZBX75 · pith_short_16: 3QTZYZGZBX75EA4K · pith_short_8: 3QTZYZGZ

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/3QTZYZGZBX75EA4KFZLQLL7AXS \
  | 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: dc279c64d90dffd2038a2e5705afe0bc8a66179e0e87c2a766384b8f23ed018f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c47bce691f5e6f8e5b7165b06642cc96d7a5a6f2b68577bc53244b7117052136",
    "cross_cats_sorted": [
      "math.GT",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-10-11T06:21:10Z",
    "title_canon_sha256": "638b30861dcf82ab867e85924bad4d1759e60119cbe757ed48ef9081421023a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03015",
    "kind": "arxiv",
    "version": 1
  }
}