Pith Number

pith:UIC536GM

pith:2011:UIC536GMSOBS64RCT6PBJZIBJD

not attested not anchored not stored refs pending

On the existence and construction of proper costratifying systems

Maria In\'es Platzeck, Melina Verdecchia, Octavio Mendoza

arxiv:1109.1538 v1 · 2011-09-07 · 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{UIC536GMSOBS64RCT6PBJZIBJD}

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	2026-05-18T04:13:55.517100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a205ddf8cc93832f72229f9e14e50148c2b063958eb37c02960e801b80b47450

Aliases

arxiv: 1109.1538 · arxiv_version: 1109.1538v1 · doi: 10.48550/arxiv.1109.1538 · pith_short_12: UIC536GMSOBS · pith_short_16: UIC536GMSOBS64RC · pith_short_8: UIC536GM

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/UIC536GMSOBS64RCT6PBJZIBJD \
  | 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: a205ddf8cc93832f72229f9e14e50148c2b063958eb37c02960e801b80b47450

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60eae22de3687a42d57f55868896440d661afa5e7e46e6d4d88bb0b3d7be8e3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2011-09-07T19:11:14Z",
    "title_canon_sha256": "c745bfab2f890fcdcb4bea9ac2e7fa1b3d36a429d829eb9be81d8c0506bf57b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1538",
    "kind": "arxiv",
    "version": 1
  }
}