Pith Number

pith:FQNNAFGH

pith:2022:FQNNAFGHHPFUPFXSJWVFIMG6PA

not attested not anchored not stored refs pending

Introduction to Sheaf Cohomology

Loring W. Tu

arxiv:2206.07512 v1 · 2022-06-14 · math.AT · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQNNAFGHHPFUPFXSJWVFIMG6PA}

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

An introduction to real oriented blowups in toric, toroidal and logarithmic geometries

Receipt and verification

First computed	2026-07-05T04:32:05.873354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c1ad014c73bcb4796f24daa5430de782a7077a634e51a43360430334e0747c2

Aliases

arxiv: 2206.07512 · arxiv_version: 2206.07512v1 · doi: 10.48550/arxiv.2206.07512 · pith_short_12: FQNNAFGHHPFU · pith_short_16: FQNNAFGHHPFUPFXS · pith_short_8: FQNNAFGH

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/FQNNAFGHHPFUPFXSJWVFIMG6PA \
  | 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: 2c1ad014c73bcb4796f24daa5430de782a7077a634e51a43360430334e0747c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2355a17e0f4391e967d7601a73465ee6befaf247f3d9c92e31cc106f3ab553b2",
    "cross_cats_sorted": [
      "math.HO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2022-06-14T15:41:46Z",
    "title_canon_sha256": "7503f9b4b90ec0bd5198ccefc501110041e21f1c5c5010a9a39e3f6552162461"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.07512",
    "kind": "arxiv",
    "version": 1
  }
}