Pith Number

pith:XGL64CFV

pith:2016:XGL64CFVR3AC2XGPT2PZTD7P3I

not attested not anchored not stored refs pending

On a Heegaard Floer theory for tangles

Claudius Zibrowius

arxiv:1610.07494 v2 · 2016-10-24 · math.GT · math.QA · 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{XGL64CFVR3AC2XGPT2PZTD7P3I}

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	2026-05-18T00:47:33.518411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b997ee08b58ec02d5ccf9e9f998fefda144dd2026f56fd5e8406e546535b3c33

Aliases

arxiv: 1610.07494 · arxiv_version: 1610.07494v2 · doi: 10.48550/arxiv.1610.07494 · pith_short_12: XGL64CFVR3AC · pith_short_16: XGL64CFVR3AC2XGP · pith_short_8: XGL64CFV

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/XGL64CFVR3AC2XGPT2PZTD7P3I \
  | 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: b997ee08b58ec02d5ccf9e9f998fefda144dd2026f56fd5e8406e546535b3c33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa2ca2af1e398b6cbce861e38f0e9a930f1a5dc4e3ea4a2120e63d9f3fe379dd",
    "cross_cats_sorted": [
      "math.QA",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2016-10-24T17:01:03Z",
    "title_canon_sha256": "7e1c8eed9b1a9a1f0af173b6fc40d95b4155d9e560ea51ea15d107ccb999f9ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.07494",
    "kind": "arxiv",
    "version": 2
  }
}