Pith. sign in
Pith Number

pith:F5MNETWE

pith:2022:F5MNETWEQNKIZ5WXGW5GLWGXGC
not attested not anchored not stored refs pending

Persistent sheaf cohomology

Florian Russold

arxiv:2204.13446 v1 · 2022-04-28 · math.AT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{F5MNETWEQNKIZ5WXGW5GLWGXGC}

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

Receipt and verification
First computed 2026-07-05T04:18:35.008112Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2f58d24ec483548cf6d735ba65d8d73092979f8afedcb562158e294cab31e20f

Aliases

arxiv: 2204.13446 · arxiv_version: 2204.13446v1 · doi: 10.48550/arxiv.2204.13446 · pith_short_12: F5MNETWEQNKI · pith_short_16: F5MNETWEQNKIZ5WX · pith_short_8: F5MNETWE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/F5MNETWEQNKIZ5WXGW5GLWGXGC \
  | 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: 2f58d24ec483548cf6d735ba65d8d73092979f8afedcb562158e294cab31e20f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "78b1cf758bb985218efd58a76acc6d4c6116f0efffcd9ed34cb5440c4c4e4c54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2022-04-28T12:26:45Z",
    "title_canon_sha256": "da5fcf97fcb6fff1d922aa9f66d343b27c54b1054489ec01f2041f241d68cd56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.13446",
    "kind": "arxiv",
    "version": 1
  }
}