Pith Number

pith:SY5WE23W

pith:2014:SY5WE23WQJ27YON4CUUJCBVATJ

not attested not anchored not stored refs pending

Skew Calabi-Yau triangulated categories and Frobenius Ext-algebras

Daniel Rogalski, James J. Zhang, Manuel Reyes

arxiv:1408.0536 v3 · 2014-08-03 · math.RA · 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{SY5WE23WQJ27YON4CUUJCBVATJ}

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	2026-05-18T01:02:14.175239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

963b626b768275fc39bc15289106a09a7dc4be5ade7625942e983560d4434f9f

Aliases

arxiv: 1408.0536 · arxiv_version: 1408.0536v3 · doi: 10.48550/arxiv.1408.0536 · pith_short_12: SY5WE23WQJ27 · pith_short_16: SY5WE23WQJ27YON4 · pith_short_8: SY5WE23W

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/SY5WE23WQJ27YON4CUUJCBVATJ \
  | 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: 963b626b768275fc39bc15289106a09a7dc4be5ade7625942e983560d4434f9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76eac99ed6feeb0e45bceb29a422f9d5757db1f5ef029f8db7d3a98777d688dc",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2014-08-03T20:09:07Z",
    "title_canon_sha256": "0fa1cf9bca72e8d65d21a3c91f35b839ba023092381067bc3a3f231c7bf944f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0536",
    "kind": "arxiv",
    "version": 3
  }
}