Pith Number

pith:TWYRWHAD

pith:2014:TWYRWHADD5TNG573VDHQVZMA75

not attested not anchored not stored refs pending

On boundary behavior of spatial mappings

Denis Kovtonyuk, Vladimir Ryazanov

arxiv:1408.0470 v1 · 2014-08-03 · 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{TWYRWHADD5TNG573VDHQVZMA75}

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	2026-05-18T02:45:57.009141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9db11b1c031f66d377fba8cf0ae580ff52a5251929d779d63776d8841d649d23

Aliases

arxiv: 1408.0470 · arxiv_version: 1408.0470v1 · doi: 10.48550/arxiv.1408.0470 · pith_short_12: TWYRWHADD5TN · pith_short_16: TWYRWHADD5TNG573 · pith_short_8: TWYRWHAD

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/TWYRWHADD5TNG573VDHQVZMA75 \
  | 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: 9db11b1c031f66d377fba8cf0ae580ff52a5251929d779d63776d8841d649d23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8c4150f8c140fa9ad742bcac8f5a455879996ea627ecae0b2d2f2bb3c3fc0ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-08-03T08:05:32Z",
    "title_canon_sha256": "6b9eac622774523fe6cd412011d85a8df1dfb6b4cc87525785c37fe742645b55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0470",
    "kind": "arxiv",
    "version": 1
  }
}