Pith Number

pith:WVKWBWLS

pith:2014:WVKWBWLSKOU2ZKQG32A76BIHLI

not attested not anchored not stored refs pending

Yet again on two examples by Iyama and Yoshino

Daniele Faenzi (LMAP)

arxiv:1409.3442 v1 · 2014-09-11 · 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{WVKWBWLSKOU2ZKQG32A76BIHLI}

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	2026-05-18T02:43:01.368227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b55560d97253a9acaa06de81ff05075a298b5c145043b2ce83e3692fe6567473

Aliases

arxiv: 1409.3442 · arxiv_version: 1409.3442v1 · doi: 10.48550/arxiv.1409.3442 · pith_short_12: WVKWBWLSKOU2 · pith_short_16: WVKWBWLSKOU2ZKQG · pith_short_8: WVKWBWLS

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/WVKWBWLSKOU2ZKQG32A76BIHLI \
  | 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: b55560d97253a9acaa06de81ff05075a298b5c145043b2ce83e3692fe6567473

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09ece54868123317f9a0f4f08a49b190bec11cab56144756be5b717ad7f90f92",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-09-11T14:04:14Z",
    "title_canon_sha256": "7a1f84358b3a29a432c7c20c635b5e9835b65316340abdc267664854cb50adfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.3442",
    "kind": "arxiv",
    "version": 1
  }
}