Pith Number

pith:HDAS22IT

pith:2017:HDAS22ITSDQ7QTA6SWMP5E3UMX

not attested not anchored not stored refs pending

On regular but not completely regular spaces

Piotr Kalemba, Szymon Plewik

arxiv:1701.04322 v1 · 2017-01-16 · 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{HDAS22ITSDQ7QTA6SWMP5E3UMX}

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	2026-05-18T00:52:47.097047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38c12d691390e1f84c1e9598fe937465f2ff7c4c4798e06f5df47cacf2428b76

Aliases

arxiv: 1701.04322 · arxiv_version: 1701.04322v1 · doi: 10.48550/arxiv.1701.04322 · pith_short_12: HDAS22ITSDQ7 · pith_short_16: HDAS22ITSDQ7QTA6 · pith_short_8: HDAS22IT

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/HDAS22ITSDQ7QTA6SWMP5E3UMX \
  | 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: 38c12d691390e1f84c1e9598fe937465f2ff7c4c4798e06f5df47cacf2428b76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e36202ce7b3bdcbe4f2239dbd600a3cd8ef553b6a5822be044cb8a6de92ecadc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2017-01-16T15:18:15Z",
    "title_canon_sha256": "e2d78feaff0cf817b0701caa03e5c921868834454af2855cd753dc2e4f0dc2a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04322",
    "kind": "arxiv",
    "version": 1
  }
}