Pith Number

pith:3UE354CK

pith:2018:3UE354CKBP3U7SQCQ7D2MQHTGA

not attested not anchored not stored refs pending

On the Orderability Problem and the Interval Topology

Kyriakos Papadopoulos

arxiv:1803.09643 v2 · 2018-03-23 · 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{3UE354CKBP3U7SQCQ7D2MQHTGA}

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	2026-05-18T00:19:48.826102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd09bef04a0bf74fca0287c7a640f3302dc4e382cc923a6af4d297fc373331fe

Aliases

arxiv: 1803.09643 · arxiv_version: 1803.09643v2 · doi: 10.48550/arxiv.1803.09643 · pith_short_12: 3UE354CKBP3U · pith_short_16: 3UE354CKBP3U7SQC · pith_short_8: 3UE354CK

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/3UE354CKBP3U7SQCQ7D2MQHTGA \
  | 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: dd09bef04a0bf74fca0287c7a640f3302dc4e382cc923a6af4d297fc373331fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87abd453bb3fbd8a370b3e6cb9724ececb74748c4127b55ac7560105d6f8b94b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2018-03-23T08:27:47Z",
    "title_canon_sha256": "84280f745e6aea04d5c9f40c34e01ff586b713c2b5fe2fd3a8db1fc2dbffe2ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09643",
    "kind": "arxiv",
    "version": 2
  }
}