Pith Number

pith:DDXDYR5Y

pith:2015:DDXDYR5YS3ONYFDV32L2BSDK6J

not attested not anchored not stored refs pending

Gorenstein (semi)hereditary rings with respect to a semidualizing module

Guoqiang Zhao, Juxiang Sun

arxiv:1501.05410 v1 · 2015-01-22 · 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{DDXDYR5YS3ONYFDV32L2BSDK6J}

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	2026-05-18T02:28:54.674221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18ee3c47b896dcdc1475de97a0c86af274304b2b5ea5e43f05952890a5525bd6

Aliases

arxiv: 1501.05410 · arxiv_version: 1501.05410v1 · doi: 10.48550/arxiv.1501.05410 · pith_short_12: DDXDYR5YS3ON · pith_short_16: DDXDYR5YS3ONYFDV · pith_short_8: DDXDYR5Y

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/DDXDYR5YS3ONYFDV32L2BSDK6J \
  | 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: 18ee3c47b896dcdc1475de97a0c86af274304b2b5ea5e43f05952890a5525bd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22400280b67fceabf3e54d992a421012a4c6b53d46a9b9bf1b94e786d5c90116",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2015-01-22T07:24:20Z",
    "title_canon_sha256": "f02ac5942f17e0c42d24d47eebd27cb6abf185e2f4465c87040ceb30091b22bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05410",
    "kind": "arxiv",
    "version": 1
  }
}