Pith Number

pith:LODZ2WPR

pith:2017:LODZ2WPR2EFDWYMILQWN3FFDQO

not attested not anchored not stored refs pending

Construction C*: an inter-level coded version of Construction C

Maiara Francine Bollauf, Ram Zamir, Sueli Irene Rodrigues Costa

arxiv:1709.06640 v2 · 2017-09-19 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LODZ2WPR2EFDWYMILQWN3FFDQO}

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	2026-05-18T00:27:09.194623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b879d59f1d10a3b61885c2cdd94a383bc609de24181e1e27ddf69fec7bbd99b

Aliases

arxiv: 1709.06640 · arxiv_version: 1709.06640v2 · doi: 10.48550/arxiv.1709.06640 · pith_short_12: LODZ2WPR2EFD · pith_short_16: LODZ2WPR2EFDWYMI · pith_short_8: LODZ2WPR

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/LODZ2WPR2EFDWYMILQWN3FFDQO \
  | 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: 5b879d59f1d10a3b61885c2cdd94a383bc609de24181e1e27ddf69fec7bbd99b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e6f20d26a204b9d48dd6b83e7774e8a204b701f2a3b20540bf9eb924d023fff",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-09-19T21:04:39Z",
    "title_canon_sha256": "f080b0cf2ca910b23902b71c736ba1d7ce7af112c161b2345618f9e4f9266446"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06640",
    "kind": "arxiv",
    "version": 2
  }
}