Pith Number

pith:Y3QGQRPN

pith:2007:Y3QGQRPNJFTPATVGSAEXADRDTZ

not attested not anchored not stored refs pending

Partial open book decompositions and the contact class in sutured Floer homology

Burak Ozbagci, Tolga Etg\"u

arxiv:0711.0880 v5 · 2007-11-06 · math.GT · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y3QGQRPNJFTPATVGSAEXADRDTZ}

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	2026-05-18T03:53:03.611939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6e06845ed4966f04ea69009700e239e74e416310cf6e1d8eace57fb0d777ef7

Aliases

arxiv: 0711.0880 · arxiv_version: 0711.0880v5 · doi: 10.48550/arxiv.0711.0880 · pith_short_12: Y3QGQRPNJFTP · pith_short_16: Y3QGQRPNJFTPATVG · pith_short_8: Y3QGQRPN

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/Y3QGQRPNJFTPATVGSAEXADRDTZ \
  | 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: c6e06845ed4966f04ea69009700e239e74e416310cf6e1d8eace57fb0d777ef7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f94c6a8aac7dfb467c4f7e572bb05740358682d7059e91a839c693d7aa9c3bc7",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2007-11-06T14:01:52Z",
    "title_canon_sha256": "cf5c0be4cd025e0d44b2eea47a1ec8b6d8c5867dd615962a11d0fba065f9f084"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.0880",
    "kind": "arxiv",
    "version": 5
  }
}