Pith Number

pith:D737UHAM

pith:2026:D737UHAM5I475JOKTK6S2MGD25

not attested not anchored not stored refs pending

Reflections and Sheafifications in Algebraic and Topological Categories

Hern\'an Giraldo, Julio C\'esar Hern\'andez Arzusa, Samir Rivero Castro

arxiv:2605.23060 v1 · 2026-05-21 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D737UHAM5I475JOKTK6S2MGD25}

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	2026-05-25T02:01:36.630827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ff7fa1c0cea39fea5ca9abd2d30c3d74d44b6cd2b1bb5bb3df8f9ec9a22280c

Aliases

arxiv: 2605.23060 · arxiv_version: 2605.23060v1 · doi: 10.48550/arxiv.2605.23060 · pith_short_12: D737UHAM5I47 · pith_short_16: D737UHAM5I475JOK · pith_short_8: D737UHAM

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/D737UHAM5I475JOKTK6S2MGD25 \
  | 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: 1ff7fa1c0cea39fea5ca9abd2d30c3d74d44b6cd2b1bb5bb3df8f9ec9a22280c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1762fd7a80535f1471c381656aecfff61d554324d3cf8333d2c9c4590991bbd7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2026-05-21T21:49:38Z",
    "title_canon_sha256": "615019d78353c20725f3447c072304cb7e0cdafe646e3be081c0c3a831e8a090"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23060",
    "kind": "arxiv",
    "version": 1
  }
}