Pith Number

pith:W2U4ZVHR

pith:2018:W2U4ZVHRUZIFHKOWMZLHYV4CIC

not attested not anchored not stored refs pending

Conformal immersion of Riemannian products in low codimension

Bruno Mendon\c{c}a, Felippe Guimar\~aes

arxiv:1811.05570 v1 · 2018-11-13 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W2U4ZVHRUZIFHKOWMZLHYV4CIC}

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	2026-05-18T00:00:42.611518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6a9ccd4f1a65053a9d666567c5782408a6e82d3b64a800347afc57ea67acaa8

Aliases

arxiv: 1811.05570 · arxiv_version: 1811.05570v1 · doi: 10.48550/arxiv.1811.05570 · pith_short_12: W2U4ZVHRUZIF · pith_short_16: W2U4ZVHRUZIFHKOW · pith_short_8: W2U4ZVHR

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/W2U4ZVHRUZIFHKOWMZLHYV4CIC \
  | 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: b6a9ccd4f1a65053a9d666567c5782408a6e82d3b64a800347afc57ea67acaa8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1eee52357341f1ea6c5c28765dfafe6810ad7e0cde6c7ca27484bff447daa35b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-11-13T23:37:19Z",
    "title_canon_sha256": "7885624d62d240027990d166e62328c595e99fae968280478dd7273ab5c7e718"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05570",
    "kind": "arxiv",
    "version": 1
  }
}