Pith Number

pith:7UDBSJCO

pith:2013:7UDBSJCOWIG4BO4LPESDCCVBEB

not attested not anchored not stored refs pending

Essential Circles and Gromov-Hausdorff Convergence of Covers

Conrad Plaut, Jay Wilkins

arxiv:1304.0808 v3 · 2013-04-02 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7UDBSJCOWIG4BO4LPESDCCVBEB}

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	2026-05-18T03:01:33.418324Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd0619244eb20dc0bb8b7924310aa120537a9532aec1c96f618c46539e5ab18c

Aliases

arxiv: 1304.0808 · arxiv_version: 1304.0808v3 · doi: 10.48550/arxiv.1304.0808 · pith_short_12: 7UDBSJCOWIG4 · pith_short_16: 7UDBSJCOWIG4BO4L · pith_short_8: 7UDBSJCO

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/7UDBSJCOWIG4BO4LPESDCCVBEB \
  | 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: fd0619244eb20dc0bb8b7924310aa120537a9532aec1c96f618c46539e5ab18c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cebed50a78a8b922a01c4dafc2edda79ed752422d3cc0fab770de57b262c1ee0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2013-04-02T22:30:35Z",
    "title_canon_sha256": "e03a53ac61ac03d3b28e94d57a33882ed6fd50525a900a4d9f7c5455b0160195"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0808",
    "kind": "arxiv",
    "version": 3
  }
}