Pith Number

pith:YGLQI534

pith:2017:YGLQI534IFMDFLTOLJV5FJOFHB

not attested not anchored not stored refs pending

On the differentiability of hairs for Zorich maps

Patrick Comd\"uhr

arxiv:1701.06873 v2 · 2017-01-24 · math.DS · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YGLQI534IFMDFLTOLJV5FJOFHB}

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	2026-05-17T23:44:15.727530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c19704777c415832ae6e5a6bd2a5c53861cb39a19402008bb0169c169c7540a8

Aliases

arxiv: 1701.06873 · arxiv_version: 1701.06873v2 · doi: 10.48550/arxiv.1701.06873 · pith_short_12: YGLQI534IFMD · pith_short_16: YGLQI534IFMDFLTO · pith_short_8: YGLQI534

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/YGLQI534IFMDFLTOLJV5FJOFHB \
  | 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: c19704777c415832ae6e5a6bd2a5c53861cb39a19402008bb0169c169c7540a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4123cc7aac4eb258ed6b670b67709f8d4ec0e9e697ac3216ff6adaf8c5e59ffa",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-01-24T13:57:31Z",
    "title_canon_sha256": "f4381e313307d15c19ad8beb300a777da1c4cc6ae3d18eb8864e3f93b173dc29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06873",
    "kind": "arxiv",
    "version": 2
  }
}