Pith Number

pith:EF4QEX3P

pith:2016:EF4QEX3PXVNSFR2XK32GAQB67Q

not attested not anchored not stored refs pending

Cohen-Macaulay lexsegment complexes in arbitrary codimension

Hassan Haghighi, Rahim Zaare-Nahandi, Siamak Yassemi

arxiv:1609.00830 v1 · 2016-09-03 · 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{EF4QEX3PXVNSFR2XK32GAQB67Q}

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	2026-05-18T01:06:19.841645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2179025f6fbd5b22c75756f460403efc0d660af1daef6bd27badabaa974c6661

Aliases

arxiv: 1609.00830 · arxiv_version: 1609.00830v1 · doi: 10.48550/arxiv.1609.00830 · pith_short_12: EF4QEX3PXVNS · pith_short_16: EF4QEX3PXVNSFR2X · pith_short_8: EF4QEX3P

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/EF4QEX3PXVNSFR2XK32GAQB67Q \
  | 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: 2179025f6fbd5b22c75756f460403efc0d660af1daef6bd27badabaa974c6661

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a4f0c364f4b47b9a64bf5d1e77817108dbefb2db978bf75977feb2143352eb2",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2016-09-03T14:17:39Z",
    "title_canon_sha256": "895f059b6982d08af13def7e9bc45cda9a886d61d715599c08aceadbf92e30b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00830",
    "kind": "arxiv",
    "version": 1
  }
}