Pith Number

pith:RUURDOQ4

pith:2017:RUURDOQ4YPWEAQT6L7Q5WXRWAU

not attested not anchored not stored refs pending

Diameter two properties and polyhedrality

Abraham Rueda Zoca, Gin\'es L\'opez-P\'erez

arxiv:1703.03647 v1 · 2017-03-10 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RUURDOQ4YPWEAQT6L7Q5WXRWAU}

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	2026-05-18T00:48:58.437497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d2911ba1cc3ec40427e5fe1db5e36053fb1190fcc0748e03b0f9de1bf7885ab

Aliases

arxiv: 1703.03647 · arxiv_version: 1703.03647v1 · doi: 10.48550/arxiv.1703.03647 · pith_short_12: RUURDOQ4YPWE · pith_short_16: RUURDOQ4YPWEAQT6 · pith_short_8: RUURDOQ4

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/RUURDOQ4YPWEAQT6L7Q5WXRWAU \
  | 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: 8d2911ba1cc3ec40427e5fe1db5e36053fb1190fcc0748e03b0f9de1bf7885ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c691aebf283074bb07612f26f9356ef4424c91d3bf5482b0895c43de802dee38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-03-10T12:09:14Z",
    "title_canon_sha256": "e8b31fcfa0cda0ef56a6a25e733bb353969e347680eeecb2840ca744424b7caa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03647",
    "kind": "arxiv",
    "version": 1
  }
}