Pith Number

pith:SIYTH7TU

pith:2010:SIYTH7TUTWR75LOAIRINNDPNUL

not attested not anchored not stored refs pending

On the Homology of the Real Complement of the $k$-Parabolic Subspace Arrangement

Christopher Severs, Jacob A. White

arxiv:1012.3387 v1 · 2010-12-15 · 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{SIYTH7TUTWR75LOAIRINNDPNUL}

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	2026-05-18T04:33:16.952556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

923133fe749da3feadc04450d68deda2f21c669da3730713b9124dc0c4e16297

Aliases

arxiv: 1012.3387 · arxiv_version: 1012.3387v1 · doi: 10.48550/arxiv.1012.3387 · pith_short_12: SIYTH7TUTWR7 · pith_short_16: SIYTH7TUTWR75LOA · pith_short_8: SIYTH7TU

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/SIYTH7TUTWR75LOAIRINNDPNUL \
  | 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: 923133fe749da3feadc04450d68deda2f21c669da3730713b9124dc0c4e16297

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dd682369d8608e5442c4a6d5de0c80a8e6dda3be6270b159bc6b391d5edcd01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-12-15T16:58:40Z",
    "title_canon_sha256": "aba5d74a1a5cccff579ad042eed27c39a8f024f1709b021b778daabba2a135e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3387",
    "kind": "arxiv",
    "version": 1
  }
}