Pith Number

pith:FK53M73D

pith:2019:FK53M73DNF4IXTY5WVXZIU5T5Z

not attested not anchored not stored refs pending

On volume preserving almost Anosov flows

Henk Bruin

arxiv:1908.05675 v1 · 2019-08-15 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FK53M73DNF4IXTY5WVXZIU5T5Z}

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	2026-07-04T23:57:52.332075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2abbb67f6369788bcf1db56f9453b3ee5af17e84f25b2d639e9e8133dac697a8

Aliases

arxiv: 1908.05675 · arxiv_version: 1908.05675v1 · doi: 10.48550/arxiv.1908.05675 · pith_short_12: FK53M73DNF4I · pith_short_16: FK53M73DNF4IXTY5 · pith_short_8: FK53M73D

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/FK53M73DNF4IXTY5WVXZIU5T5Z \
  | 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: 2abbb67f6369788bcf1db56f9453b3ee5af17e84f25b2d639e9e8133dac697a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3480b73c716a02633b354dbe6d5dabff678138f62b73f284c1995073b3dbb9b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-08-15T12:13:39Z",
    "title_canon_sha256": "b7f49729cd49600445339a8bdaad1773bca3a2925a77242c7591a3495a3f5f61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05675",
    "kind": "arxiv",
    "version": 1
  }
}