Pith Number

pith:HSAQPC6Y

pith:2012:HSAQPC6Y4L3HJVC3KPC67VVSGX

not attested not anchored not stored refs pending

Networking Seifert Surgeries on Knots IV: Seiferters and branched coverings

Arnaud Deruelle, Katura Miyazaki, Kimihiko Motegi, Mario Eudave-Munoz

arxiv:1202.4211 v1 · 2012-02-20 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HSAQPC6Y4L3HJVC3KPC67VVSGX}

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	2026-05-18T04:01:52.034650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c81078bd8e2f674d45b53c5efd6b235f132e99dfd35e9e2993d277fea6f87f8

Aliases

arxiv: 1202.4211 · arxiv_version: 1202.4211v1 · doi: 10.48550/arxiv.1202.4211 · pith_short_12: HSAQPC6Y4L3H · pith_short_16: HSAQPC6Y4L3HJVC3 · pith_short_8: HSAQPC6Y

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/HSAQPC6Y4L3HJVC3KPC67VVSGX \
  | 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: 3c81078bd8e2f674d45b53c5efd6b235f132e99dfd35e9e2993d277fea6f87f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e6927449b515d8981d122127521c0bbf68753942844edb12c2a80cb1d66d0a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2012-02-20T03:10:33Z",
    "title_canon_sha256": "ee82d76e4ab7663954d12697c7b7b821c31298d17f0b8ec94b46439e23b9205d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4211",
    "kind": "arxiv",
    "version": 1
  }
}