Pith Number

pith:WUYGLFNE

pith:2016:WUYGLFNENTQDXMA52BY47PKBIK

not attested not anchored not stored refs pending

Adic reduction to the diagonal and a relation between cofiniteness and derived completion

Liran Shaul

arxiv:1602.03874 v3 · 2016-02-11 · 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{WUYGLFNENTQDXMA52BY47PKBIK}

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	2026-05-18T00:33:53.383783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5306595a46ce03bb01dd071cfbd4142984d17730156b20a5820a276ebaab55a

Aliases

arxiv: 1602.03874 · arxiv_version: 1602.03874v3 · doi: 10.48550/arxiv.1602.03874 · pith_short_12: WUYGLFNENTQD · pith_short_16: WUYGLFNENTQDXMA5 · pith_short_8: WUYGLFNE

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/WUYGLFNENTQDXMA52BY47PKBIK \
  | 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: b5306595a46ce03bb01dd071cfbd4142984d17730156b20a5820a276ebaab55a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3726fad3c60599dd62bc2fee709a528229f550973c6e5db9ab7655c98269df87",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2016-02-11T20:31:33Z",
    "title_canon_sha256": "8758fce06ea21e71d1c8ec3a456be926431a637a259d1ff3fa1a09177404cc2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.03874",
    "kind": "arxiv",
    "version": 3
  }
}