Pith Number

pith:VHJR5NS3

pith:2026:VHJR5NS3ZDJZF4N2GCGL4GV2ZC

not attested not anchored not stored refs pending

Preprojective algebras and generalisations: A short survey

Aaron Chan, Osamu Iyama, Rene Marczinzik

arxiv:2606.25694 v1 · 2026-06-24 · 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{VHJR5NS3ZDJZF4N2GCGL4GV2ZC}

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	2026-06-25T01:18:12.992406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9d31eb65bc8d392f1ba308cbe1abac8bb9fa0999621cd84c78b0d8561e0fd01

Aliases

arxiv: 2606.25694 · arxiv_version: 2606.25694v1 · doi: 10.48550/arxiv.2606.25694 · pith_short_12: VHJR5NS3ZDJZ · pith_short_16: VHJR5NS3ZDJZF4N2 · pith_short_8: VHJR5NS3

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/VHJR5NS3ZDJZF4N2GCGL4GV2ZC \
  | 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: a9d31eb65bc8d392f1ba308cbe1abac8bb9fa0999621cd84c78b0d8561e0fd01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4988ac66305e28a565b0ba70b48bdf41228b3766c5f123850b3a64d871d22de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2026-06-24T11:03:05Z",
    "title_canon_sha256": "928777b67793bcb665676d91d740aedf05bf6d2c272df2316e5f9bc55709e3cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25694",
    "kind": "arxiv",
    "version": 1
  }
}