Pith Number

pith:D4SXPRE3

pith:2009:D4SXPRE3VHXEVCEFS5YOE77BFR

not attested not anchored not stored refs pending

Pl\"ucker environments, wiring and tiling diagrams, and weakly separated set-systems

Alexander V. Karzanov, Gleb A. Koshevoy, Vladimir I. Danilov

arxiv:0902.3362 v3 · 2009-02-19 · math.CO · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D4SXPRE3VHXEVCEFS5YOE77BFR}

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	2026-05-18T04:36:08.988835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f2577c49ba9ee4a88859770e27fe12c5d5ff5b67dabe3aa93f29976c8588058

Aliases

arxiv: 0902.3362 · arxiv_version: 0902.3362v3 · doi: 10.48550/arxiv.0902.3362 · pith_short_12: D4SXPRE3VHXE · pith_short_16: D4SXPRE3VHXEVCEF · pith_short_8: D4SXPRE3

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/D4SXPRE3VHXEVCEFS5YOE77BFR \
  | 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: 1f2577c49ba9ee4a88859770e27fe12c5d5ff5b67dabe3aa93f29976c8588058

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cce85b6a122a57108f5d3629e81ab1d3a3693e12594d4224229977efccd8ea04",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2009-02-19T13:25:38Z",
    "title_canon_sha256": "0d860570bdd8b28f61bf6422e50c9c357c8acbb8874bc5cdb51bd441606906a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.3362",
    "kind": "arxiv",
    "version": 3
  }
}