Pith Number

pith:FZYGCC4M

pith:2017:FZYGCC4MEAVI7WAKZVQAECUI2Q

not attested not anchored not stored refs pending

Cotilting Sheaves on Noetherian Schemes

Jan \v{S}\v{t}ov\'i\v{c}ek, Pavel \v{C}oupek

arxiv:1707.01677 v2 · 2017-07-06 · math.AG · math.CT · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FZYGCC4MEAVI7WAKZVQAECUI2Q}

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.

Cited by

1 paper in Pith

Coderived and contraderived categories for a cotorsion pair, flat-type cotorsion pairs, and relative periodicity

Receipt and verification

First computed	2026-07-05T03:35:04.338119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e70610b8c202a8fd80acd60020a88d43fc58606f389dcfc46dc3128e7d3a9e1

Aliases

arxiv: 1707.01677 · arxiv_version: 1707.01677v2 · doi: 10.48550/arxiv.1707.01677 · pith_short_12: FZYGCC4MEAVI · pith_short_16: FZYGCC4MEAVI7WAK · pith_short_8: FZYGCC4M

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/FZYGCC4MEAVI7WAKZVQAECUI2Q \
  | 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: 2e70610b8c202a8fd80acd60020a88d43fc58606f389dcfc46dc3128e7d3a9e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f624b05d74a572a7c2b7e7cfb6753aaca7666671da2925cd9e513aaba9a46f51",
    "cross_cats_sorted": [
      "math.CT",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-07-06T08:23:22Z",
    "title_canon_sha256": "05a7719c475570d489738e4593292d7d094c5567131a350c78d839969b6315cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01677",
    "kind": "arxiv",
    "version": 2
  }
}