Pith Number

pith:7HU6US65

pith:2004:7HU6US65OOWNIQUZXQRWMICW2C

not attested not anchored not stored refs pending

Orbifold adjunction formula and symplectic cobordisms between lens spaces

Weimin Chen

arxiv:math/0403395 v2 · 2004-03-23 · math.GT · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7HU6US65OOWNIQUZXQRWMICW2C}

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	2026-05-18T02:38:00.151445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9e9ea4bdd73acd44299bc23662056d0b1c2f7ca8bcddc19a3f75d01d3a24277

Aliases

arxiv: math/0403395 · arxiv_version: math/0403395v2 · doi: 10.48550/arxiv.math/0403395 · pith_short_12: 7HU6US65OOWN · pith_short_16: 7HU6US65OOWNIQUZ · pith_short_8: 7HU6US65

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/7HU6US65OOWNIQUZXQRWMICW2C \
  | 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: f9e9ea4bdd73acd44299bc23662056d0b1c2f7ca8bcddc19a3f75d01d3a24277

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1359cc90d9e76c078ffdd1face5322895c2e3e9579b455c699b41a7ca861b05f",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2004-03-23T17:28:18Z",
    "title_canon_sha256": "a0e57fb03c94f723dae5fa29b63e07fc050634d3a7f4538304b2410d414784c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0403395",
    "kind": "arxiv",
    "version": 2
  }
}