Pith Number

pith:CNUC7XNH

pith:2018:CNUC7XNHRNYYYYZ2QGIOTIK62P

not attested not anchored not stored refs pending

Cohomologically full rings

Alessandro De Stefani, Hailong Dao, Linquan Ma

arxiv:1806.00536 v3 · 2018-06-01 · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CNUC7XNHRNYYYYZ2QGIOTIK62P}

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	2026-05-17T23:56:47.894086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13682fdda78b718c633a8190e9a15ed3c50a2abf32c4a0e5eba813a3138c542a

Aliases

arxiv: 1806.00536 · arxiv_version: 1806.00536v3 · doi: 10.48550/arxiv.1806.00536 · pith_short_12: CNUC7XNHRNYY · pith_short_16: CNUC7XNHRNYYYYZ2 · pith_short_8: CNUC7XNH

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/CNUC7XNHRNYYYYZ2QGIOTIK62P \
  | 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: 13682fdda78b718c633a8190e9a15ed3c50a2abf32c4a0e5eba813a3138c542a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4d98df51d92928d35d0494cd5b13560c58f7db0a502cf00fbe9e842b664985c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2018-06-01T20:38:39Z",
    "title_canon_sha256": "fa349cf48b5b8ac2811a9a9f762dfd6b34ca31cb1287ef26df836e950c71335b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.00536",
    "kind": "arxiv",
    "version": 3
  }
}