Pith Number

pith:EK5GPGE5

pith:2007:EK5GPGE5V3ICVVVTA3BRAGIOAA

not attested not anchored not stored refs pending

Computing Knot Floer Homology in Cyclic Branched Covers

Adam Simon Levine

arxiv:0709.1427 v2 · 2007-09-10 · 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{EK5GPGE5V3ICVVVTA3BRAGIOAA}

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	2026-05-18T01:22:31.182381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22ba67989daed02ad6b306c310190e0029e9383d5aa64774cdb1edae2b968fcf

Aliases

arxiv: 0709.1427 · arxiv_version: 0709.1427v2 · doi: 10.48550/arxiv.0709.1427 · pith_short_12: EK5GPGE5V3IC · pith_short_16: EK5GPGE5V3ICVVVT · pith_short_8: EK5GPGE5

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/EK5GPGE5V3ICVVVTA3BRAGIOAA \
  | 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: 22ba67989daed02ad6b306c310190e0029e9383d5aa64774cdb1edae2b968fcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abf19b62aa5b82e2010a582c5eff984ffebba9f0efd2839bf81a9a1d92256e15",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2007-09-10T16:25:18Z",
    "title_canon_sha256": "4ca419a611ee9c6e773199c5a5e17c897f6228c8d5f28fbe44b2d8808fcc503d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.1427",
    "kind": "arxiv",
    "version": 2
  }
}