Pith Number

pith:WWYE5O4W

pith:2014:WWYE5O4WIVELJ4NOS6QFTR7AX3

not attested not anchored not stored refs pending

On cycles in intersection graph of rings

Ahmad Erfanian, Ali Azimi, Mohammad Farrokhi Derakhshandeh Ghouchan, Nesa Hoseini

arxiv:1401.6619 v1 · 2014-01-26 · 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{WWYE5O4WIVELJ4NOS6QFTR7AX3}

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	2026-05-18T03:01:01.169951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5b04ebb964548b4f1ae97a059c7e0bedc5900a2a973c75b409598b53a266ab1

Aliases

arxiv: 1401.6619 · arxiv_version: 1401.6619v1 · doi: 10.48550/arxiv.1401.6619 · pith_short_12: WWYE5O4WIVEL · pith_short_16: WWYE5O4WIVELJ4NO · pith_short_8: WWYE5O4W

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/WWYE5O4WIVELJ4NOS6QFTR7AX3 \
  | 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: b5b04ebb964548b4f1ae97a059c7e0bedc5900a2a973c75b409598b53a266ab1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f985384b4037432a506513e9670d6b9b5fb0b0551ab01b74b6cd999fa7e5a3e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2014-01-26T06:45:12Z",
    "title_canon_sha256": "6ad2fbe3d009b914712a045f060057f3431128fea5340648c05147c930b09c7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6619",
    "kind": "arxiv",
    "version": 1
  }
}