Pith Number

pith:JUCZRFNH

pith:2014:JUCZRFNHK34JRORDENTXBUGCD6

not attested not anchored not stored refs pending

On isometry and isometric embeddability between ultrametric Polish spaces

Alberto Marcone, Luca Motto Ros, Riccardo Camerlo

arxiv:1412.6659 v5 · 2014-12-20 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JUCZRFNHK34JRORDENTXBUGCD6}

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	2026-05-17T23:59:04.030962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d059895a756f898ba23236770d0c21fa83b84f13e6630983908acd3f1337800

Aliases

arxiv: 1412.6659 · arxiv_version: 1412.6659v5 · doi: 10.48550/arxiv.1412.6659 · pith_short_12: JUCZRFNHK34J · pith_short_16: JUCZRFNHK34JRORD · pith_short_8: JUCZRFNH

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/JUCZRFNHK34JRORDENTXBUGCD6 \
  | 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: 4d059895a756f898ba23236770d0c21fa83b84f13e6630983908acd3f1337800

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb61aed38593ee0908a7cd455f4cb30e76ddba0a61f587b433e663db599766e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-12-20T15:02:33Z",
    "title_canon_sha256": "51cda69ff4c4afcae4cbc12ea0576e43351d047d159ff7a8c96695de106acc69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.6659",
    "kind": "arxiv",
    "version": 5
  }
}