Pith Number

pith:PFSX4HGY

pith:2014:PFSX4HGYULP3FCPM3CI6UH7BBA

not attested not anchored not stored refs pending

Classifying representations by way of Grassmannians

Birge Huisgen-Zimmermann

arxiv:1407.2664 v1 · 2014-07-10 · math.RT · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PFSX4HGYULP3FCPM3CI6UH7BBA}

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	2026-05-18T02:47:53.991768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79657e1cd8a2dfb289ecd891ea1fe1082b5f53a6131c8c212a361d91c9fad3e5

Aliases

arxiv: 1407.2664 · arxiv_version: 1407.2664v1 · doi: 10.48550/arxiv.1407.2664 · pith_short_12: PFSX4HGYULP3 · pith_short_16: PFSX4HGYULP3FCPM · pith_short_8: PFSX4HGY

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/PFSX4HGYULP3FCPM3CI6UH7BBA \
  | 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: 79657e1cd8a2dfb289ecd891ea1fe1082b5f53a6131c8c212a361d91c9fad3e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a598a00780a879cb3945b4302851de522623fcc88ff1b4c0514f10a1a787dd06",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2014-07-10T01:04:03Z",
    "title_canon_sha256": "0ab9f13f0a619c2e92f88f38d9f1f2c4a0e93e014bc5a5a3c0e02cec335a5edd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2664",
    "kind": "arxiv",
    "version": 1
  }
}