Pith Number

pith:QWKBOUA7

pith:2022:QWKBOUA7QSJGSKE3K3XUB2KZZB

not attested not anchored not stored refs pending

Anosov Geodesic Flows on Surfaces

Hao-Tong Yan

arxiv:2211.12429 v1 · 2022-11-22 · math.DS · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QWKBOUA7QSJGSKE3K3XUB2KZZB}

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	2026-07-05T05:18:16.985927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

859417501f849269289b56ef40e959c8764c26bfe3ea3903ec88481256cbf4d6

Aliases

arxiv: 2211.12429 · arxiv_version: 2211.12429v1 · doi: 10.48550/arxiv.2211.12429 · pith_short_12: QWKBOUA7QSJG · pith_short_16: QWKBOUA7QSJGSKE3 · pith_short_8: QWKBOUA7

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/QWKBOUA7QSJGSKE3K3XUB2KZZB \
  | 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: 859417501f849269289b56ef40e959c8764c26bfe3ea3903ec88481256cbf4d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7175978496f989f511ff8da10b0db6326a87661e1f2ab2476d4e92cc6a5eb842",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2022-11-22T17:36:01Z",
    "title_canon_sha256": "00de993ac27158243daee9ae6f23dae4fe6dea36b04c29b51132d98b8129354b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.12429",
    "kind": "arxiv",
    "version": 1
  }
}