Pith Number

pith:KGTDTBFA

pith:2017:KGTDTBFA4IPHPDEVIBSBMPWKFU

not attested not anchored not stored refs pending

A New Outlook on Cofiniteness

Hossein Faridian, Kamran Divaani-Aazar, Massoud Tousi

arxiv:1701.07716 v3 · 2017-01-26 · 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{KGTDTBFA4IPHPDEVIBSBMPWKFU}

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	2026-05-18T00:17:27.291112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51a63984a0e21e778c954064163eca2d22ca8d3b615a850a54af84974d2a3d1c

Aliases

arxiv: 1701.07716 · arxiv_version: 1701.07716v3 · doi: 10.48550/arxiv.1701.07716 · pith_short_12: KGTDTBFA4IPH · pith_short_16: KGTDTBFA4IPHPDEV · pith_short_8: KGTDTBFA

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/KGTDTBFA4IPHPDEVIBSBMPWKFU \
  | 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: 51a63984a0e21e778c954064163eca2d22ca8d3b615a850a54af84974d2a3d1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ac3a3c4d88a8b1c2b5535569630547bf5c632876834c017004587167fd7fa58",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2017-01-26T14:30:35Z",
    "title_canon_sha256": "eee049003a3fdddb3d406a48888f8bf3eb65a5d9249abe1850b42710e4f9f06a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07716",
    "kind": "arxiv",
    "version": 3
  }
}