Pith Number

pith:BDCX3BT5

pith:2017:BDCX3BT5MVEGUPKHM5VEA4PJEN

not attested not anchored not stored refs pending

Monotone Covering Properties defined by Closure-Preserving Operators

John E. Porter, Strashimir G. Popvassilev

arxiv:1710.10374 v1 · 2017-10-28 · math.GN

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BDCX3BT5MVEGUPKHM5VEA4PJEN}

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	2026-05-18T00:31:49.735071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08c57d867d65486a3d47676a4071e923427d7e908be8e04bdb9bc914e54c2521

Aliases

arxiv: 1710.10374 · arxiv_version: 1710.10374v1 · doi: 10.48550/arxiv.1710.10374 · pith_short_12: BDCX3BT5MVEG · pith_short_16: BDCX3BT5MVEGUPKH · pith_short_8: BDCX3BT5

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/BDCX3BT5MVEGUPKHM5VEA4PJEN \
  | 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: 08c57d867d65486a3d47676a4071e923427d7e908be8e04bdb9bc914e54c2521

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "582781d36fc103267f0af20401131ffd63f319c6d1908f1051204b224108cfa7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2017-10-28T02:28:19Z",
    "title_canon_sha256": "76655c3ea238ca459a8bd152138fefdd588a01bb5bb4633e36bbedf9a6f84487"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.10374",
    "kind": "arxiv",
    "version": 1
  }
}