Pith Number

pith:HFZIQQHY

pith:2017:HFZIQQHYA5C7UI6HFLSDN4OGMB

not attested not anchored not stored refs pending

Periodic approximation of Oseledets subspaces for semi-invertible cocycles

Lucas Backes

arxiv:1705.01490 v1 · 2017-05-03 · 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{HFZIQQHYA5C7UI6HFLSDN4OGMB}

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	2026-05-17T23:45:24.472132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39728840f80745fa23c72ae436f1c660448f11a58e95ad24e79318be1bd07c02

Aliases

arxiv: 1705.01490 · arxiv_version: 1705.01490v1 · doi: 10.48550/arxiv.1705.01490 · pith_short_12: HFZIQQHYA5C7 · pith_short_16: HFZIQQHYA5C7UI6H · pith_short_8: HFZIQQHY

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/HFZIQQHYA5C7UI6HFLSDN4OGMB \
  | 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: 39728840f80745fa23c72ae436f1c660448f11a58e95ad24e79318be1bd07c02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e80e684319fedd58ce241abc7fb8cf98678b0cb0309cdd6e5f31e602800c667",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-05-03T16:07:05Z",
    "title_canon_sha256": "b7f239801f164315a9da5d3ed7f61a06a3bd42d773f409271cd63ba9a9f3f393"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.01490",
    "kind": "arxiv",
    "version": 1
  }
}