Pith Number

pith:TBTOJ6CB

pith:2012:TBTOJ6CB2F5CLR4YJ6YXDXE4WQ

not attested not anchored not stored refs pending

Zredukowane homologie Khovanova

Wojciech Lubawski

arxiv:1206.1995 v1 · 2012-06-10 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TBTOJ6CB2F5CLR4YJ6YXDXE4WQ}

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	2026-05-18T03:53:53.683379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9866e4f841d17a25c7984fb171dc9cb40d482cad13dd97c6c1dbb19b6661d26a

Aliases

arxiv: 1206.1995 · arxiv_version: 1206.1995v1 · doi: 10.48550/arxiv.1206.1995 · pith_short_12: TBTOJ6CB2F5C · pith_short_16: TBTOJ6CB2F5CLR4Y · pith_short_8: TBTOJ6CB

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/TBTOJ6CB2F5CLR4YJ6YXDXE4WQ \
  | 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: 9866e4f841d17a25c7984fb171dc9cb40d482cad13dd97c6c1dbb19b6661d26a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9942d44bcbda70dd549c7d6e0c2e9bd96ef3df1821043e3265cd555239625dd7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2012-06-10T05:25:32Z",
    "title_canon_sha256": "764982988ccb35b3e1c9f69edb99a26f20e39c305a35d17de616b54c6691e1aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1995",
    "kind": "arxiv",
    "version": 1
  }
}