Pith Number

pith:IVKX7M4X

pith:2018:IVKX7M4XVCKRESU46GD6XWTQZ4

not attested not anchored not stored refs pending

Compactly generated t-structures in the derived category of a commutative ring

Michal Hrbek

arxiv:1806.00078 v3 · 2018-05-31 · math.AC · 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{IVKX7M4XVCKRESU46GD6XWTQZ4}

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	2026-05-18T00:08:48.041046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45557fb397a895124a9cf187ebda70cf3b04b4e6de3734ba0cedcdb4847d542c

Aliases

arxiv: 1806.00078 · arxiv_version: 1806.00078v3 · doi: 10.48550/arxiv.1806.00078 · pith_short_12: IVKX7M4XVCKR · pith_short_16: IVKX7M4XVCKRESU4 · pith_short_8: IVKX7M4X

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/IVKX7M4XVCKRESU46GD6XWTQZ4 \
  | 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: 45557fb397a895124a9cf187ebda70cf3b04b4e6de3734ba0cedcdb4847d542c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ca9cc8c78af182e2b1c051dfccfdab93f28fab1701dee414903ddbc46637487",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2018-05-31T20:22:16Z",
    "title_canon_sha256": "cb9bf7201357f9a353f097741c3cc5485be98a74518e7a121b6bd2038f481505"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.00078",
    "kind": "arxiv",
    "version": 3
  }
}