Pith Number

pith:WJXVDCFC

pith:2017:WJXVDCFC5KCNY26536II425DCI

not attested not anchored not stored refs pending

Examples of diffeomorphism group cocycles with no periodic approximation

Sebastian Hurtado

arxiv:1705.06361 v2 · 2017-05-17 · 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{WJXVDCFC5KCNY26536II425DCI}

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	2026-05-18T00:44:06.548234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b26f5188a2ea84dc6bdddf908e6ba312168846cc24e5a34b7d0bd521cfa4b87f

Aliases

arxiv: 1705.06361 · arxiv_version: 1705.06361v2 · doi: 10.48550/arxiv.1705.06361 · pith_short_12: WJXVDCFC5KCN · pith_short_16: WJXVDCFC5KCNY265 · pith_short_8: WJXVDCFC

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/WJXVDCFC5KCNY26536II425DCI \
  | 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: b26f5188a2ea84dc6bdddf908e6ba312168846cc24e5a34b7d0bd521cfa4b87f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c16356e8a8e1adff61393d63753e5877fcb6862267f6e46a962663ac2e18d8e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-05-17T22:27:36Z",
    "title_canon_sha256": "344ea8abf36d77e8d4e9c6318ce58e93bb4aa5f0c12499d91fb5a6fd57b6c2d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.06361",
    "kind": "arxiv",
    "version": 2
  }
}