Pith Number

pith:QVSEMWES

pith:2019:QVSEMWESKN34CV7Z7T7XVFPSL2

not attested not anchored not stored refs pending

Homology of posets with functor coefficients and its relation to Khovanov homology of knots

Miguel Ottina, Nicol\'as Cianci

arxiv:1907.03974 v1 · 2019-07-09 · 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{QVSEMWESKN34CV7Z7T7XVFPSL2}

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	2026-05-17T23:41:06.150388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85644658925377c157f9fcff7a95f25e92bd3fca20fd1fb7ae26468c6d2079dc

Aliases

arxiv: 1907.03974 · arxiv_version: 1907.03974v1 · doi: 10.48550/arxiv.1907.03974 · pith_short_12: QVSEMWESKN34 · pith_short_16: QVSEMWESKN34CV7Z · pith_short_8: QVSEMWES

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/QVSEMWESKN34CV7Z7T7XVFPSL2 \
  | 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: 85644658925377c157f9fcff7a95f25e92bd3fca20fd1fb7ae26468c6d2079dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "776e4c37093a5daec78c403c21037e715fed7a6574384a1b01c5f93b47edc9e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2019-07-09T03:55:00Z",
    "title_canon_sha256": "c5ff1657003d14872a2887ea6349c248d81dcba57d75c025c738b02c88a630a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03974",
    "kind": "arxiv",
    "version": 1
  }
}