Pith Number

pith:BYVAGWFC

pith:2015:BYVAGWFCEW3G34X7C2PHAX7OSX

not attested not anchored not stored refs pending

Characterizing local rings via perfect and coperfect modules

A.-J. Taherizadeh, M. Rahmani

arxiv:1510.01845 v2 · 2015-10-07 · 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{BYVAGWFCEW3G34X7C2PHAX7OSX}

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	2026-05-18T01:17:32.871238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e2a0358a225b66df2ff169e705fee95c271ade105d8e3258e44dcb6dab67c1a

Aliases

arxiv: 1510.01845 · arxiv_version: 1510.01845v2 · doi: 10.48550/arxiv.1510.01845 · pith_short_12: BYVAGWFCEW3G · pith_short_16: BYVAGWFCEW3G34X7 · pith_short_8: BYVAGWFC

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/BYVAGWFCEW3G34X7C2PHAX7OSX \
  | 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: 0e2a0358a225b66df2ff169e705fee95c271ade105d8e3258e44dcb6dab67c1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec9426dcb5dc4ff33bdba1c4687628cfa14bf349cad300be5056f9fecbd58e3f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2015-10-07T07:14:10Z",
    "title_canon_sha256": "35199f9d26f277721758f9632083ce48a56b278e7c1cc2c01fa08c758955c4cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.01845",
    "kind": "arxiv",
    "version": 2
  }
}