Pith Number

pith:DZC5RDYN

pith:2015:DZC5RDYNF6OM5JIWQDNWINFR34

not attested not anchored not stored refs pending

A strictly-functorial and small dg-enhancement of the derived category of perfect complexes

Emanuel Rodr\'iguez Cirone

arxiv:1502.06573 v2 · 2015-02-23 · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DZC5RDYNF6OM5JIWQDNWINFR34}

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	2026-05-18T00:48:05.949260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e45d88f0d2f9ccea51680db6434b1df15ca64e1974b7cd11ac7262eb32f9f99

Aliases

arxiv: 1502.06573 · arxiv_version: 1502.06573v2 · doi: 10.48550/arxiv.1502.06573 · pith_short_12: DZC5RDYNF6OM · pith_short_16: DZC5RDYNF6OM5JIW · pith_short_8: DZC5RDYN

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/DZC5RDYNF6OM5JIWQDNWINFR34 \
  | 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: 1e45d88f0d2f9ccea51680db6434b1df15ca64e1974b7cd11ac7262eb32f9f99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "638f9988a69a48b04e5a7a1341cb69e4503c18dd61f373d79579f5f5217271e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2015-02-23T19:58:39Z",
    "title_canon_sha256": "d7a97c48d672c402fbd04ae37a955b834ec48f41db188e7691608f68f4f0f732"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06573",
    "kind": "arxiv",
    "version": 2
  }
}