Pith Number

pith:QEF72NTC

pith:2019:QEF72NTCRDP6BAHYU2BZHDTS57

not attested not anchored not stored refs pending

Quiver Schur algebras and cohomological Hall algebras

Tomasz Przezdziecki

arxiv:1907.03679 v1 · 2019-07-08 · math.RT · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QEF72NTCRDP6BAHYU2BZHDTS57}

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	2026-05-17T23:41:14.056212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

810bfd366288dfe080f8a683938e72efdd8171ab9ea597a888b1f73f1f1e414d

Aliases

arxiv: 1907.03679 · arxiv_version: 1907.03679v1 · doi: 10.48550/arxiv.1907.03679 · pith_short_12: QEF72NTCRDP6 · pith_short_16: QEF72NTCRDP6BAHY · pith_short_8: QEF72NTC

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/QEF72NTCRDP6BAHYU2BZHDTS57 \
  | 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: 810bfd366288dfe080f8a683938e72efdd8171ab9ea597a888b1f73f1f1e414d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eddcb175027c4e026af8cc3ce786c696fc16cb9d2bb611bd00b5ca6ef232de8b",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2019-07-08T15:34:55Z",
    "title_canon_sha256": "2d8a53b6297436625088ab42718facbb56c7f0e8fde6c6a75c258a8dd0b43e2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03679",
    "kind": "arxiv",
    "version": 1
  }
}