Pith Number

pith:N6V3C7MC

pith:2016:N6V3C7MCW357TS2ZE5F3NWDU5S

not attested not anchored not stored refs pending

Fillings of unit cotangent bundles of nonorientable surfaces

Burak Ozbagci, Youlin Li

arxiv:1609.01891 v1 · 2016-09-07 · 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{N6V3C7MCW357TS2ZE5F3NWDU5S}

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	2026-05-18T00:19:53.899745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fabb17d82b6fbf9cb59274bb6d874ecb3f5e67a598db3109f8b290df702124e

Aliases

arxiv: 1609.01891 · arxiv_version: 1609.01891v1 · doi: 10.48550/arxiv.1609.01891 · pith_short_12: N6V3C7MCW357 · pith_short_16: N6V3C7MCW357TS2Z · pith_short_8: N6V3C7MC

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/N6V3C7MCW357TS2ZE5F3NWDU5S \
  | 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: 6fabb17d82b6fbf9cb59274bb6d874ecb3f5e67a598db3109f8b290df702124e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ff845717826352ba0a88c7ea87b01d21c10fe1576f6a5529cb2d748009cafad",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2016-09-07T09:05:56Z",
    "title_canon_sha256": "f2aaad1f96a403c3b3374ceb67b334a4df8ae54993f8e2be2914721cf37b9f56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01891",
    "kind": "arxiv",
    "version": 1
  }
}