Pith Number

pith:CLKUV5VX

pith:2021:CLKUV5VXRRQLROA6565B6U6WU4

not attested not anchored not stored refs pending

Surgery on Anosov flows using bi-contact geometry

Federico Salmoiraghi

arxiv:2104.07109 v4 · 2021-04-14 · math.GT · math.DS · 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{CLKUV5VXRRQLROA6565B6U6WU4}

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.

Cited by

1 paper in Pith

A Sm\"org\aa sbord of (bi)contact structures, Reeb flows and pseudo-Anosov flows

Receipt and verification

First computed	2026-07-05T07:47:23.172850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12d54af6b78c60b8b81eefba1f53d6a72074ecfb8dfa0960e6be9dc5352d15a6

Aliases

arxiv: 2104.07109 · arxiv_version: 2104.07109v4 · doi: 10.48550/arxiv.2104.07109 · pith_short_12: CLKUV5VXRRQL · pith_short_16: CLKUV5VXRRQLROA6 · pith_short_8: CLKUV5VX

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/CLKUV5VXRRQLROA6565B6U6WU4 \
  | 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: 12d54af6b78c60b8b81eefba1f53d6a72074ecfb8dfa0960e6be9dc5352d15a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75d897eccf6ad73986da000884c795de708850989a66ea89c90bf4a5ffea2fd3",
    "cross_cats_sorted": [
      "math.DS",
      "math.SG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2021-04-14T20:22:19Z",
    "title_canon_sha256": "bdc73c165a4fea0b7fad8e80b55d25ef7820fe0b3d19fe801c6c5f74948e6d88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07109",
    "kind": "arxiv",
    "version": 4
  }
}