Pith Number

pith:AQJCY7TX

pith:2018:AQJCY7TXOGONL5PBOAUAWYHJGO

not attested not anchored not stored refs pending

Cyclic Demazure modules and positroid varieties

Thomas Lam

arxiv:1809.04965 v1 · 2018-09-12 · 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{AQJCY7TXOGONL5PBOAUAWYHJGO}

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	2026-05-18T00:05:44.747846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04122c7e77719cd5f5e170280b60e933a4690d28d68702ed75b3af507ed3bfa7

Aliases

arxiv: 1809.04965 · arxiv_version: 1809.04965v1 · doi: 10.48550/arxiv.1809.04965 · pith_short_12: AQJCY7TXOGON · pith_short_16: AQJCY7TXOGONL5PB · pith_short_8: AQJCY7TX

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/AQJCY7TXOGONL5PBOAUAWYHJGO \
  | 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: 04122c7e77719cd5f5e170280b60e933a4690d28d68702ed75b3af507ed3bfa7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b164917b4d9ed337c1cc996693783f66f8213979fafe9b3f7ec456c01ac3f151",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-09-12T16:29:53Z",
    "title_canon_sha256": "c4f5891460d89af709f8d792cfae5a71a7fc7d54f6e9e4b99ca6710d68c61d9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04965",
    "kind": "arxiv",
    "version": 1
  }
}