Pith Number

pith:ULMVZSUY

pith:2017:ULMVZSUYALYYGE65WM4QA7MBE6

not attested not anchored not stored refs pending

On the regularity of edge ideal of graphs

Seyed Amin Seyed Fakhari, Siamak Yassemi

arxiv:1705.10226 v1 · 2017-05-29 · 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{ULMVZSUYALYYGE65WM4QA7MBE6}

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	2026-05-18T00:43:31.666522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2d95cca9802f18313ddb339007d8127aa7a8d8ac27679be7572ef7ee6a3441e

Aliases

arxiv: 1705.10226 · arxiv_version: 1705.10226v1 · doi: 10.48550/arxiv.1705.10226 · pith_short_12: ULMVZSUYALYY · pith_short_16: ULMVZSUYALYYGE65 · pith_short_8: ULMVZSUY

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/ULMVZSUYALYYGE65WM4QA7MBE6 \
  | 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: a2d95cca9802f18313ddb339007d8127aa7a8d8ac27679be7572ef7ee6a3441e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae71632871be334d692b5da49590944a149e49f225443f9de4e4737afc642a77",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2017-05-29T14:54:09Z",
    "title_canon_sha256": "ebf12ae5600f9d74e0873577f3610d262fe851320e53627cb4ec7b35870003ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10226",
    "kind": "arxiv",
    "version": 1
  }
}