Pith Number

pith:XN7NV5MH

pith:2009:XN7NV5MHQSQJFV3LGWKI5ZPVUX

not attested not anchored not stored refs pending

Distance Graphs of Metric Spaces with Rosenbloom - Tsfasman metric

R. Rajkumar, W. B. Vasantha

arxiv:0902.4364 v4 · 2009-02-25 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XN7NV5MHQSQJFV3LGWKI5ZPVUX}

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	2026-05-18T04:34:18.442443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb7edaf58784a092d76b35948ee5f5a5ce2a606eb4bb065763d3e281a83fb92b

Aliases

arxiv: 0902.4364 · arxiv_version: 0902.4364v4 · doi: 10.48550/arxiv.0902.4364 · pith_short_12: XN7NV5MHQSQJ · pith_short_16: XN7NV5MHQSQJFV3L · pith_short_8: XN7NV5MH

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/XN7NV5MHQSQJFV3LGWKI5ZPVUX \
  | 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: bb7edaf58784a092d76b35948ee5f5a5ce2a606eb4bb065763d3e281a83fb92b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91bd0c48b3068078f2e645df92d536a44c8ab28ec7237834c4bf12e0badf1325",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2009-02-25T13:05:04Z",
    "title_canon_sha256": "3711f62770f7e74ac81aba4fae8da73399b53da3efaae698fcc244e871153a03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.4364",
    "kind": "arxiv",
    "version": 4
  }
}