Pith Number

pith:RBLXC7AV

pith:2010:RBLXC7AVSXCCG55X72SQWFVTJ6

not attested not anchored not stored refs pending

$M$-Shellability of Discrete Polymatroids

Afshin Goodarzi, Majid Alizadeh, Siamak Yassemi

arxiv:1012.1075 v1 · 2010-12-06 · 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{RBLXC7AVSXCCG55X72SQWFVTJ6}

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	2026-05-18T04:34:01.863471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8857717c1595c42377b7fea50b16b34f92b1c2300a8baf3c89b0369a6f21954f

Aliases

arxiv: 1012.1075 · arxiv_version: 1012.1075v1 · doi: 10.48550/arxiv.1012.1075 · pith_short_12: RBLXC7AVSXCC · pith_short_16: RBLXC7AVSXCCG55X · pith_short_8: RBLXC7AV

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/RBLXC7AVSXCCG55X72SQWFVTJ6 \
  | 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: 8857717c1595c42377b7fea50b16b34f92b1c2300a8baf3c89b0369a6f21954f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e3c4f9ae88603f9261db22ca64d4d4edec94451c83c013ea5c6cc745b3661ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-12-06T04:53:39Z",
    "title_canon_sha256": "01f22e90ccc61109ada467d38bb9fd898224b5c5d1b77a30a48794a28fc14597"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1075",
    "kind": "arxiv",
    "version": 1
  }
}