Pith Number

pith:4NYXRCYU

pith:2018:4NYXRCYUYOO5SNQYBHFTYCUPZA

not attested not anchored not stored refs pending

On the stable property of projective dimension

Raheleh Jafari, Somayeh Bandari

arxiv:1810.00171 v1 · 2018-09-29 · math.AC · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4NYXRCYUYOO5SNQYBHFTYCUPZA}

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	2026-05-18T00:04:28.610840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e371788b14c39dd9361809cb3c0a8fc82dc3e4cb50e8d8310754a27aa82c37b6

Aliases

arxiv: 1810.00171 · arxiv_version: 1810.00171v1 · doi: 10.48550/arxiv.1810.00171 · pith_short_12: 4NYXRCYUYOO5 · pith_short_16: 4NYXRCYUYOO5SNQY · pith_short_8: 4NYXRCYU

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/4NYXRCYUYOO5SNQYBHFTYCUPZA \
  | 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: e371788b14c39dd9361809cb3c0a8fc82dc3e4cb50e8d8310754a27aa82c37b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33cda077ebbf2cd5b7124d481fedc9b0655ab9c1b5ffd888dd564a1d34885d47",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2018-09-29T07:53:28Z",
    "title_canon_sha256": "ee6ed03359192c5a68779d7fdb93c2b1ec6e8f8ccee152ffe0e80c39518a269c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.00171",
    "kind": "arxiv",
    "version": 1
  }
}