Pith Number

pith:6FN5O2J2

pith:2017:6FN5O2J2BMYW6ZN7ME3QN37SIS

not attested not anchored not stored refs pending

The Type Defect of a Simplicial Complex

Hailong Dao, Jay Schweig

arxiv:1704.01243 v3 · 2017-04-05 · 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{6FN5O2J2BMYW6ZN7ME3QN37SIS}

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	2026-05-17T23:55:23.346810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f15bd7693a0b316f65bf613706eff244a0e0a24021f4eafbdb09ebf50041565e

Aliases

arxiv: 1704.01243 · arxiv_version: 1704.01243v3 · doi: 10.48550/arxiv.1704.01243 · pith_short_12: 6FN5O2J2BMYW · pith_short_16: 6FN5O2J2BMYW6ZN7 · pith_short_8: 6FN5O2J2

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/6FN5O2J2BMYW6ZN7ME3QN37SIS \
  | 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: f15bd7693a0b316f65bf613706eff244a0e0a24021f4eafbdb09ebf50041565e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2dcc5fc357de5a3acdccc352e9600b3ea255024d1fffc1b31be7a1a393a5d2b",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2017-04-05T02:15:47Z",
    "title_canon_sha256": "5b515e591f3692aad51b283447abc0af64b079f27653010f3ea23212ffa43799"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01243",
    "kind": "arxiv",
    "version": 3
  }
}