Pith Number

pith:I4XSG73Y

pith:2017:I4XSG73YYR4A32LTQQ7KIIF4IU

not attested not anchored not stored refs pending

Adding successor: A transfer theorem for separation and covering

Marc Zeitoun, Thomas Place

arxiv:1709.10052 v1 · 2017-09-28 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I4XSG73YYR4A32LTQQ7KIIF4IU}

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	2026-05-18T00:34:05.828028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

472f237f78c4780de973843ea420bc45013086019d248b908e1748932c391af4

Aliases

arxiv: 1709.10052 · arxiv_version: 1709.10052v1 · doi: 10.48550/arxiv.1709.10052 · pith_short_12: I4XSG73YYR4A · pith_short_16: I4XSG73YYR4A32LT · pith_short_8: I4XSG73Y

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/I4XSG73YYR4A32LTQQ7KIIF4IU \
  | 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: 472f237f78c4780de973843ea420bc45013086019d248b908e1748932c391af4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ca47dce3fb2225411118e17bc6ffd6cc6000b540b50fe0f1e5b627f79e43ced",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2017-09-28T16:40:03Z",
    "title_canon_sha256": "9affe4447b8752e5074eab49c9ac940e9f1c56cb0a394c1905b6398641d7217a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.10052",
    "kind": "arxiv",
    "version": 1
  }
}