Pith Number

pith:EJCVJUXK

pith:2019:EJCVJUXKJ5HKYO6FED4BEQEUGC

not attested not anchored not stored refs pending

A family of structure isomorphisms for the Cohomological Hall Algebra of an acyclic quiver

Justin Allman

arxiv:1908.00567 v3 · 2019-08-01 · math.AG · 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{EJCVJUXKJ5HKYO6FED4BEQEUGC}

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	2026-07-05T00:17:09.742138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

224554d2ea4f4eac3bc520f81240943084db13e251edee5ed4cfb1589e39a7f6

Aliases

arxiv: 1908.00567 · arxiv_version: 1908.00567v3 · doi: 10.48550/arxiv.1908.00567 · pith_short_12: EJCVJUXKJ5HK · pith_short_16: EJCVJUXKJ5HKYO6F · pith_short_8: EJCVJUXK

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/EJCVJUXKJ5HKYO6FED4BEQEUGC \
  | 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: 224554d2ea4f4eac3bc520f81240943084db13e251edee5ed4cfb1589e39a7f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dc3b158fded99ef635d988d873afa1f45972c41b4aef4e152c79a6b5cd482fa",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-08-01T18:18:23Z",
    "title_canon_sha256": "a148c15b6708e4b4c584dd5389afccb9f18cff5dc41fb37798ac0905f621f0af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00567",
    "kind": "arxiv",
    "version": 3
  }
}