Pith Number

pith:FTURE34O

pith:2018:FTURE34OC4R5LMRLSQHCYESRZ3

not attested not anchored not stored refs pending

Localization and Non-propagation in a Groupoid Framework

M. Mantoiu

arxiv:1809.00081 v1 · 2018-08-31 · math.OA · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FTURE34OC4R5LMRLSQHCYESRZ3}

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	2026-05-18T00:06:36.190564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ce9126f8e1723d5b22b940e2c1251cec87850e4701366d1a9eda11fc339d4b0

Aliases

arxiv: 1809.00081 · arxiv_version: 1809.00081v1 · doi: 10.48550/arxiv.1809.00081 · pith_short_12: FTURE34OC4R5 · pith_short_16: FTURE34OC4R5LMRL · pith_short_8: FTURE34O

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/FTURE34OC4R5LMRLSQHCYESRZ3 \
  | 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: 2ce9126f8e1723d5b22b940e2c1251cec87850e4701366d1a9eda11fc339d4b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feabdcd4b53a6288defd8c210a545bbd7039ab35d2a64027b4db117970bf156d",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2018-08-31T23:26:11Z",
    "title_canon_sha256": "8d1b5f703f495da65c956a1e6c462702bc1893fdca10d0643fb0675dac391509"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00081",
    "kind": "arxiv",
    "version": 1
  }
}