Pith Number

pith:PYYXEID4

pith:2014:PYYXEID44CHNIOVVDKKT7QNVEV

not attested not anchored not stored refs pending

An oriented model for Khovanov homology

Christian Blanchet

arxiv:1405.7246 v1 · 2014-05-20 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PYYXEID44CHNIOVVDKKT7QNVEV}

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	2026-05-18T02:50:52.491458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e3172207ce08ed43ab51a953fc1b52579f2e38146d4afcec37f9e84d6bdde87

Aliases

arxiv: 1405.7246 · arxiv_version: 1405.7246v1 · doi: 10.48550/arxiv.1405.7246 · pith_short_12: PYYXEID44CHN · pith_short_16: PYYXEID44CHNIOVV · pith_short_8: PYYXEID4

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/PYYXEID44CHNIOVVDKKT7QNVEV \
  | 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: 7e3172207ce08ed43ab51a953fc1b52579f2e38146d4afcec37f9e84d6bdde87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb3ef2074d34760ea2773ff46af9138fe617442a05d8fa48de5128f98ccf3d91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-05-20T17:09:58Z",
    "title_canon_sha256": "85498f2938a7eef98cc0f5a516ed414cbffaba463869e77366f129d1b7bb7f64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7246",
    "kind": "arxiv",
    "version": 1
  }
}