Pith Number

pith:HUPLYOQ5

pith:2018:HUPLYOQ5ICBNBEWZV6NLPIKLNI

not attested not anchored not stored refs pending

A descent criterion for equivalences between equivariant derived categories

Francesco Amodeo, Mattia Ornaghi, Riccardo Moschetti

arxiv:1810.13290 v2 · 2018-10-31 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HUPLYOQ5ICBNBEWZV6NLPIKLNI}

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	2026-05-17T23:54:07.030975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d1ebc3a1d4082d092d9af9ab7a14b6a36294ce1eb017479c491e16750e6ef61

Aliases

arxiv: 1810.13290 · arxiv_version: 1810.13290v2 · doi: 10.48550/arxiv.1810.13290 · pith_short_12: HUPLYOQ5ICBN · pith_short_16: HUPLYOQ5ICBNBEWZ · pith_short_8: HUPLYOQ5

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/HUPLYOQ5ICBNBEWZV6NLPIKLNI \
  | 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: 3d1ebc3a1d4082d092d9af9ab7a14b6a36294ce1eb017479c491e16750e6ef61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5cf3958fc3fc3df4dfa5c98fbcbe0aa89a25bc2d0b45b7d8ccc5d9ca41ba991",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-10-31T14:01:00Z",
    "title_canon_sha256": "f9d9a59a850013ade1177945f04d0476ad178618f4b790213269cd6279e72874"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.13290",
    "kind": "arxiv",
    "version": 2
  }
}