Pith Number

pith:LPD5HLCJ

pith:2016:LPD5HLCJUVUBZOXAGN7BI3THG4

not attested not anchored not stored refs pending

Homology of the three flag Hilbert scheme

Daniele Boccalini

arxiv:1609.05005 v1 · 2016-09-16 · 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{LPD5HLCJUVUBZOXAGN7BI3THG4}

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	2026-05-18T01:04:31.836421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bc7d3ac49a5681cbae0337e146e67373234c036fda2cdc7c3deb91dbaf4f284

Aliases

arxiv: 1609.05005 · arxiv_version: 1609.05005v1 · doi: 10.48550/arxiv.1609.05005 · pith_short_12: LPD5HLCJUVUB · pith_short_16: LPD5HLCJUVUBZOXA · pith_short_8: LPD5HLCJ

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/LPD5HLCJUVUBZOXAGN7BI3THG4 \
  | 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: 5bc7d3ac49a5681cbae0337e146e67373234c036fda2cdc7c3deb91dbaf4f284

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49f1050eb41568e91a21b0365f055fc0073448b0236aea37b33c3f208581b95f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-09-16T11:29:49Z",
    "title_canon_sha256": "b84e5174518728793e8d610ae81755c69174aa6a4a5dfc7c2077cdec23585d55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.05005",
    "kind": "arxiv",
    "version": 1
  }
}