pith. sign in
Pith Number

pith:M64PAHPT

pith:2018:M64PAHPTU2DT6EEMPQZN5CMC7S
not attested not anchored not stored refs pending

A new proof of the existence of embedded surfaces with Anosov geodesic flow

Daniel Visscher, Victor Donnay

arxiv:1808.01336 v2 · 2018-08-03 · math.DS

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{M64PAHPTU2DT6EEMPQZN5CMC7S}

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 2026-05-17T23:47:52.737648Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

67b8f01df3a6873f108c7c32de8982fc8a48e61fb4bdb09da2b63ccdceb52b4c

Aliases

arxiv: 1808.01336 · arxiv_version: 1808.01336v2 · doi: 10.48550/arxiv.1808.01336 · pith_short_12: M64PAHPTU2DT · pith_short_16: M64PAHPTU2DT6EEM · pith_short_8: M64PAHPT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/M64PAHPTU2DT6EEMPQZN5CMC7S \
  | 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: 67b8f01df3a6873f108c7c32de8982fc8a48e61fb4bdb09da2b63ccdceb52b4c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "225a4867418c8d466d86934037f10847f6d37b083fa2751fa47593f11bace7dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-08-03T20:13:52Z",
    "title_canon_sha256": "24efbe9ee321ceca786c72ab13cd95087f67dafc3c9fe9c792fdec9c9e68f4c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01336",
    "kind": "arxiv",
    "version": 2
  }
}