Pith Number

pith:VQIRGY3D

pith:2017:VQIRGY3DRCE2QUMUJPOSRB5YYT

not attested not anchored not stored refs pending

Quillen equivalent models for the derived category of flats and the resolution property

Alexander Slavik, Sergio Estrada

arxiv:1708.05913 v2 · 2017-08-19 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VQIRGY3DRCE2QUMUJPOSRB5YYT}

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	2026-05-18T00:22:05.785385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac111363638889a851944bdd2887b8c4cd8ba625726c1b30484f99d22e5ae52f

Aliases

arxiv: 1708.05913 · arxiv_version: 1708.05913v2 · doi: 10.48550/arxiv.1708.05913 · pith_short_12: VQIRGY3DRCE2 · pith_short_16: VQIRGY3DRCE2QUMU · pith_short_8: VQIRGY3D

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/VQIRGY3DRCE2QUMUJPOSRB5YYT \
  | 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: ac111363638889a851944bdd2887b8c4cd8ba625726c1b30484f99d22e5ae52f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da110e7c37cfae0bca623f0759e7399c4dbae40c5d0241b7dacf98619b865d22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-08-19T23:31:59Z",
    "title_canon_sha256": "eeab0fe08fbbdc120d4018327f1b9b8ede6f5fe0b25d8f61d65d4e4bc661f752"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.05913",
    "kind": "arxiv",
    "version": 2
  }
}