Pith Number

pith:CICMBD6A

pith:2013:CICMBD6AR3IAQLWU2RSCIZKFYN

not attested not anchored not stored refs pending

On the number of terms in the middle of almost split sequences over cycle-finite artin algebras

Andrzej Skowro\'nski, Jos\'e A. de la Pe\~na, Piotr Malicki

arxiv:1302.2497 v1 · 2013-02-11 · 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{CICMBD6AR3IAQLWU2RSCIZKFYN}

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	2026-05-18T03:08:25.001212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1204c08fc08ed0082ed4d464246545c37d93e2e67c1ec8eb383b9a86ca91875b

Aliases

arxiv: 1302.2497 · arxiv_version: 1302.2497v1 · doi: 10.48550/arxiv.1302.2497 · pith_short_12: CICMBD6AR3IA · pith_short_16: CICMBD6AR3IAQLWU · pith_short_8: CICMBD6A

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/CICMBD6AR3IAQLWU2RSCIZKFYN \
  | 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: 1204c08fc08ed0082ed4d464246545c37d93e2e67c1ec8eb383b9a86ca91875b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "941811a33b9496cb6d17922d0f4eb0067a968781059ba8ff721f16c12e0a2ff5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2013-02-11T15:18:05Z",
    "title_canon_sha256": "0492e53c2cc4383410481498af40b317e1fdfd9836aefd2028652b89da3bffb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2497",
    "kind": "arxiv",
    "version": 1
  }
}