Pith Number

pith:KUYIVJ6H

pith:2022:KUYIVJ6HDYAGVMKMRPMFK33TJF

not attested not anchored not stored refs pending

On some properties of birational derived splinters

Shiji Lyu

arxiv:2210.03193 v1 · 2022-10-06 · math.AG · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KUYIVJ6HDYAGVMKMRPMFK33TJF}

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	2026-07-05T05:04:16.945242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55308aa7c71e006ab14c8bd8556f734948ab281142bcf4bfe74642acbbe9775c

Aliases

arxiv: 2210.03193 · arxiv_version: 2210.03193v1 · doi: 10.48550/arxiv.2210.03193 · pith_short_12: KUYIVJ6HDYAG · pith_short_16: KUYIVJ6HDYAGVMKM · pith_short_8: KUYIVJ6H

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/KUYIVJ6HDYAGVMKMRPMFK33TJF \
  | 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: 55308aa7c71e006ab14c8bd8556f734948ab281142bcf4bfe74642acbbe9775c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4e68c4f572bda160056d8c7a90e4d93f4674f008b67364ceea0a8e7fe9c0b59",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2022-10-06T20:19:12Z",
    "title_canon_sha256": "54276ab9952a95b85b7f49de80d263541cd542c0eb9195cb51063cfbf411d21e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.03193",
    "kind": "arxiv",
    "version": 1
  }
}