Pith Number

pith:NEQHDGTW

pith:2014:NEQHDGTWJPGE6OROC6YXL3X34N

not attested not anchored not stored refs pending

Non-commutative deformations and quasi-coherent modules

Hoang Dinh Van, Liyu Liu, Wendy Lowen

arxiv:1411.0331 v2 · 2014-11-02 · math.AG · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NEQHDGTWJPGE6OROC6YXL3X34N}

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	2026-05-18T01:33:24.326025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6920719a764bcc4f3a2e17b175eefbe37f3561274bd0fbc109131190bc663d64

Aliases

arxiv: 1411.0331 · arxiv_version: 1411.0331v2 · doi: 10.48550/arxiv.1411.0331 · pith_short_12: NEQHDGTWJPGE · pith_short_16: NEQHDGTWJPGE6ORO · pith_short_8: NEQHDGTW

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/NEQHDGTWJPGE6OROC6YXL3X34N \
  | 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: 6920719a764bcc4f3a2e17b175eefbe37f3561274bd0fbc109131190bc663d64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ebe2cd900ff28754e9de85e8d6cb0f480bd0c347fcd5487726986c2f2c62667",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-11-02T22:50:04Z",
    "title_canon_sha256": "1228ae903298172e05325b38e8fbaaac877fc767c9cbdcadb80d54b88761dd03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.0331",
    "kind": "arxiv",
    "version": 2
  }
}