Pith Number

pith:64MAMZXH

pith:2015:64MAMZXHM5LQDTAYB7R32DSHKF

not attested not anchored not stored refs pending

Singular curves and quasi-hereditary algebras

Igor Burban, Volodymyr Gavran, Yuriy Drozd

arxiv:1503.04565 v2 · 2015-03-16 · 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{64MAMZXHM5LQDTAYB7R32DSHKF}

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	2026-05-18T01:16:26.527692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7180666e7675701cc180fe3bd0e47516b2df558f144b1bc6121f03ca513b7a7

Aliases

arxiv: 1503.04565 · arxiv_version: 1503.04565v2 · doi: 10.48550/arxiv.1503.04565 · pith_short_12: 64MAMZXHM5LQ · pith_short_16: 64MAMZXHM5LQDTAY · pith_short_8: 64MAMZXH

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/64MAMZXHM5LQDTAYB7R32DSHKF \
  | 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: f7180666e7675701cc180fe3bd0e47516b2df558f144b1bc6121f03ca513b7a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a3a37e15ec18c5164ac2833459ab0c2dbf901f4901d38df1b21fba89c185303",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-03-16T08:22:53Z",
    "title_canon_sha256": "a42b8411785ebd4d64e444448b555c5d335125bb12caad585ddc590a0b9b6596"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04565",
    "kind": "arxiv",
    "version": 2
  }
}