Pith Number

pith:TDHR6EEF

pith:2016:TDHR6EEF7KP42PVHARDOMHYUBF

not attested not anchored not stored refs pending

Symplectic Instanton Homology: twisting, connected sums, and Dehn surgery

Guillem Cazassus

arxiv:1606.00239 v2 · 2016-06-01 · 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{TDHR6EEF7KP42PVHARDOMHYUBF}

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	2026-05-18T00:55:25.092656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98cf1f1085fa9fcd3ea70446e61f14097e86e38940e48aa5193d5ce473d4e7e3

Aliases

arxiv: 1606.00239 · arxiv_version: 1606.00239v2 · doi: 10.48550/arxiv.1606.00239 · pith_short_12: TDHR6EEF7KP4 · pith_short_16: TDHR6EEF7KP42PVH · pith_short_8: TDHR6EEF

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/TDHR6EEF7KP42PVHARDOMHYUBF \
  | 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: 98cf1f1085fa9fcd3ea70446e61f14097e86e38940e48aa5193d5ce473d4e7e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec3fa731b448a8cc4aeb62ebce63f44dcfc6d35834de79ef3aba45c5b71d81cb",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2016-06-01T11:41:07Z",
    "title_canon_sha256": "23b9eb6960673b2c10aec64805b208bf2ba28791430992b4cc36a9ed876d8b50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.00239",
    "kind": "arxiv",
    "version": 2
  }
}