Pith Number

pith:T3HPDUV3

pith:2021:T3HPDUV3I2RBTNABNR7CEYORPG

not attested not anchored not stored refs pending

Floer homology, twist coefficients, and capping off

Braeden Reinoso

arxiv:2110.10716 v1 · 2021-10-20 · 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{T3HPDUV3I2RBTNABNR7CEYORPG}

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	2026-07-05T03:24:20.482231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ecef1d2bb46a219b4016c7e2261d179b0ccffcb28ce7ead6c91ea6f4e186320

Aliases

arxiv: 2110.10716 · arxiv_version: 2110.10716v1 · doi: 10.48550/arxiv.2110.10716 · pith_short_12: T3HPDUV3I2RB · pith_short_16: T3HPDUV3I2RBTNAB · pith_short_8: T3HPDUV3

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/T3HPDUV3I2RBTNABNR7CEYORPG \
  | 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: 9ecef1d2bb46a219b4016c7e2261d179b0ccffcb28ce7ead6c91ea6f4e186320

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb03fd544936d8e939e906f2c395d7fb7f67b4331b5e2d18ad0c78ac4a3e22fe",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2021-10-20T18:26:10Z",
    "title_canon_sha256": "e6fbc19862c8c46369d331262bc8ffa864286cea335df9ce4d7e11896c680165"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.10716",
    "kind": "arxiv",
    "version": 1
  }
}