Pith Number

pith:L3Q2DH52

pith:2018:L3Q2DH52D4W33JSOWPT7HD664S

not attested not anchored not stored refs pending

Fibered aspects of Yoneda's regular span

Alan S. Cigoli, Enrico M. Vitale, Giuseppe Metere, Sandra Mantovani

arxiv:1806.02376 v1 · 2018-06-06 · math.CT · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L3Q2DH52D4W33JSOWPT7HD664S}

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	2026-05-18T00:13:57.068803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ee1a19fba1f2dbda64eb3e7f38fdee4b04410e04fc82e748d8eeb04a3d0188b

Aliases

arxiv: 1806.02376 · arxiv_version: 1806.02376v1 · doi: 10.48550/arxiv.1806.02376 · pith_short_12: L3Q2DH52D4W3 · pith_short_16: L3Q2DH52D4W33JSO · pith_short_8: L3Q2DH52

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/L3Q2DH52D4W33JSOWPT7HD664S \
  | 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: 5ee1a19fba1f2dbda64eb3e7f38fdee4b04410e04fc82e748d8eeb04a3d0188b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72dc3963e126a0b03f688c795d7f56b710c905d976802dfd9c361292a1e30024",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2018-06-06T18:41:10Z",
    "title_canon_sha256": "e66e33ef7ac91bcb0cddb9bfa2246c6b007e121e7b7ad22c5010b4fa633b2c68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02376",
    "kind": "arxiv",
    "version": 1
  }
}