Pith Number

pith:YI6N5TXI

pith:2018:YI6N5TXIA7GWCDBJILRA4HKEFI

not attested not anchored not stored refs pending

Acceptable colorings of indexed hyperspaces

James H. Schmerl

arxiv:1802.00370 v1 · 2018-02-01 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YI6N5TXIA7GWCDBJILRA4HKEFI}

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	2026-05-17T23:53:12.550521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c23cdecee807cd610c2942e20e1d442a3dc5fd6dcfdfa1e525737f71c0ae49b3

Aliases

arxiv: 1802.00370 · arxiv_version: 1802.00370v1 · doi: 10.48550/arxiv.1802.00370 · pith_short_12: YI6N5TXIA7GW · pith_short_16: YI6N5TXIA7GWCDBJ · pith_short_8: YI6N5TXI

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/YI6N5TXIA7GWCDBJILRA4HKEFI \
  | 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: c23cdecee807cd610c2942e20e1d442a3dc5fd6dcfdfa1e525737f71c0ae49b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab04dcf078c8fcee516338221ea7aed4adb1e944d30e90d88727e19815a74f57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-02-01T16:06:42Z",
    "title_canon_sha256": "aadb68c1952e898d170926bfc7de82a93e39620e28623a065ba1f99a86e5f069"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00370",
    "kind": "arxiv",
    "version": 1
  }
}