Pith Number

pith:T446CTFB

pith:2017:T446CTFBZEH6C4HXPHVJ6IGMV3

not attested not anchored not stored refs pending

On regulous and regular images of Euclidean spaces

Carlos Ueno, Goulwen Fichou (IRMAR), Jos\'e Fernando (UCM), Ronan Quarez (IRMAR)

arxiv:1710.08276 v1 · 2017-10-19 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T446CTFBZEH6C4HXPHVJ6IGMV3}

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	2026-05-18T00:29:24.622688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f39e14ca1c90fe170f779ea9f20ccaeca21b3f52946171b861b9b610e6481f9

Aliases

arxiv: 1710.08276 · arxiv_version: 1710.08276v1 · doi: 10.48550/arxiv.1710.08276 · pith_short_12: T446CTFBZEH6 · pith_short_16: T446CTFBZEH6C4HX · pith_short_8: T446CTFB

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/T446CTFBZEH6C4HXPHVJ6IGMV3 \
  | 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: 9f39e14ca1c90fe170f779ea9f20ccaeca21b3f52946171b861b9b610e6481f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47aa95d1c8ab91be591f78854099a25997f2083eff0e43726e5e8c2e36bf388e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-10-19T12:49:29Z",
    "title_canon_sha256": "cddae5ba58e5f0c3e1935754501f294d6cb5e13dd11bcaa4f3c25f3fdca18be7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.08276",
    "kind": "arxiv",
    "version": 1
  }
}