Pith Number

pith:MWOSKHVT

pith:2019:MWOSKHVTYBRLURWRNA5YBCRQTJ

not attested not anchored not stored refs pending

Cohomology of modules over $H$-categories and co-$H$-categories

Abhishek Banerjee, Mamta Balodi, Samarpita Ray

arxiv:1901.00320 v2 · 2019-01-02 · math.RA · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MWOSKHVTYBRLURWRNA5YBCRQTJ}

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	2026-07-05T01:35:22.902340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

659d251eb3c062ba46d1683b808a309a6c867c883336d85981f14f62fbc5f043

Aliases

arxiv: 1901.00320 · arxiv_version: 1901.00320v2 · doi: 10.48550/arxiv.1901.00320 · pith_short_12: MWOSKHVTYBRL · pith_short_16: MWOSKHVTYBRLURWR · pith_short_8: MWOSKHVT

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/MWOSKHVTYBRLURWRNA5YBCRQTJ \
  | 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: 659d251eb3c062ba46d1683b808a309a6c867c883336d85981f14f62fbc5f043

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25784b7e6ce63b0e6e0e35843cee0f5b31df2e6336d97f1aa66b34603d2b4647",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2019-01-02T11:15:16Z",
    "title_canon_sha256": "cdb8db2c779e07a05cf546083e3b96aeffc4c6da79bce4c52f7f26a256423e62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00320",
    "kind": "arxiv",
    "version": 2
  }
}