Pith Number

pith:ZTE3ZPWO

pith:2014:ZTE3ZPWOJ4TBAFEY4WGUUOEG6D

not attested not anchored not stored refs pending

Quot schemes in Grassmannians

Roy Mikael Skjelnes

arxiv:1405.3778 v1 · 2014-05-15 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZTE3ZPWOJ4TBAFEY4WGUUOEG6D}

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	2026-05-18T02:51:49.298541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccc9bcbece4f26101498e58d4a3886f0c7abc945838923be673dc14b61f6451c

Aliases

arxiv: 1405.3778 · arxiv_version: 1405.3778v1 · doi: 10.48550/arxiv.1405.3778 · pith_short_12: ZTE3ZPWOJ4TB · pith_short_16: ZTE3ZPWOJ4TBAFEY · pith_short_8: ZTE3ZPWO

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/ZTE3ZPWOJ4TBAFEY4WGUUOEG6D \
  | 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: ccc9bcbece4f26101498e58d4a3886f0c7abc945838923be673dc14b61f6451c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "342b90640fb122f3bb5e1ee494dad5a9cb99e8efc54f7cc6e0ea3dc65accd9c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-05-15T09:41:11Z",
    "title_canon_sha256": "9ae0de6091887e39ee98dda15dc672ae944cc017ffeee2185e6d9164747ff5fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.3778",
    "kind": "arxiv",
    "version": 1
  }
}