Pith Number

pith:PJPDABZM

pith:2018:PJPDABZMINF4EJG7VWRWELGS2Y

not attested not anchored not stored refs pending

Veldkamp Spaces of Low-Dimensional Ternary Segre Varieties

Fr\'ed\'eric Holweck, J\'er\^ome Boulmier, Maxime Pinard, Metod Saniga

arxiv:1806.08965 v1 · 2018-06-23 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PJPDABZMINF4EJG7VWRWELGS2Y}

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	2026-05-17T23:54:02.837939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a5e30072c434bc224dfada3622cd2d62096a9ef54bd20180610eef88d1d0d78

Aliases

arxiv: 1806.08965 · arxiv_version: 1806.08965v1 · doi: 10.48550/arxiv.1806.08965 · pith_short_12: PJPDABZMINF4 · pith_short_16: PJPDABZMINF4EJG7 · pith_short_8: PJPDABZM

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/PJPDABZMINF4EJG7VWRWELGS2Y \
  | 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: 7a5e30072c434bc224dfada3622cd2d62096a9ef54bd20180610eef88d1d0d78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6adcb9204dc82d619295426d879c3b2154c957b9e45dce040c8d514c33421bfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-06-23T13:27:15Z",
    "title_canon_sha256": "27e2b409f35be0f444c2e09a017905023506becf6eaa638dfd72f04ff2851d77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.08965",
    "kind": "arxiv",
    "version": 1
  }
}