Pith Number

pith:YNWT3RO2

pith:2018:YNWT3RO2AP3S4GZNS7JOAPMSHF

not attested not anchored not stored refs pending

On some Grassmannians carrying an even Clifford structure

Paolo Piccinni

arxiv:1805.01751 v1 · 2018-05-04 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YNWT3RO2AP3S4GZNS7JOAPMSHF}

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	2026-05-17T23:39:41.827190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c36d3dc5da03f72e1b2d97d2e03d92394ea49f1e886359e37e529c1096257d7d

Aliases

arxiv: 1805.01751 · arxiv_version: 1805.01751v1 · doi: 10.48550/arxiv.1805.01751 · pith_short_12: YNWT3RO2AP3S · pith_short_16: YNWT3RO2AP3S4GZN · pith_short_8: YNWT3RO2

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/YNWT3RO2AP3S4GZNS7JOAPMSHF \
  | 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: c36d3dc5da03f72e1b2d97d2e03d92394ea49f1e886359e37e529c1096257d7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb23039ba1bc480384ac31d90fce3b0bc2162318bb4af2f2338230582471e8b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-05-04T13:06:52Z",
    "title_canon_sha256": "f8fc654500b8f8716e15123c7cfc2b8de60fdabb068a4e463a4c21168d85ef90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01751",
    "kind": "arxiv",
    "version": 1
  }
}