Pith Number

pith:EMZALAUP

pith:2009:EMZALAUP4ACOVBVYQ2EETTFLBF

not attested not anchored not stored refs pending

Full Lutz twist along the binding of an open book

Burak Ozbagci, Mehmetcik Pamuk

arxiv:0905.0986 v2 · 2009-05-07 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EMZALAUP4ACOVBVYQ2EETTFLBF}

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	2026-05-18T03:53:52.689412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

233205828fe004ea86b8868849ccab09439dba6bda13f8de65897709c0364718

Aliases

arxiv: 0905.0986 · arxiv_version: 0905.0986v2 · doi: 10.48550/arxiv.0905.0986 · pith_short_12: EMZALAUP4ACO · pith_short_16: EMZALAUP4ACOVBVY · pith_short_8: EMZALAUP

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/EMZALAUP4ACOVBVYQ2EETTFLBF \
  | 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: 233205828fe004ea86b8868849ccab09439dba6bda13f8de65897709c0364718

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b12508fc7c274d9a55e0dfec1ebf8eac3c84ac704d54517e50a4924221da29d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2009-05-07T10:25:00Z",
    "title_canon_sha256": "18208d4f1bccf53646c09b01c58690a50f79a9ba333822e6a4631b51a770f15d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0986",
    "kind": "arxiv",
    "version": 2
  }
}