Pith Number

pith:PNNWE4CF

pith:2009:PNNWE4CF6XNY7PVPYD6QLQDCBT

not attested not anchored not stored refs pending

On embeddings of finite metric spaces in $l_\infty^n$

Dmitri Stolyarov, Fedor Petrov, Pavel Zatitskiy

arxiv:0903.4355 v1 · 2009-03-25 · math.CO · 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{PNNWE4CF6XNY7PVPYD6QLQDCBT}

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	2026-05-18T03:02:44.702627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b5b627045f5db8fbeafc0fd05c0620ce4686b320cd8caeb4fe9be03a04b4b45

Aliases

arxiv: 0903.4355 · arxiv_version: 0903.4355v1 · doi: 10.48550/arxiv.0903.4355 · pith_short_12: PNNWE4CF6XNY · pith_short_16: PNNWE4CF6XNY7PVP · pith_short_8: PNNWE4CF

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/PNNWE4CF6XNY7PVPYD6QLQDCBT \
  | 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: 7b5b627045f5db8fbeafc0fd05c0620ce4686b320cd8caeb4fe9be03a04b4b45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d3347dfed8eb0cd2cddb026b385f8849f12cdb8a40791bd4b707ee8df861a77",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2009-03-25T14:34:15Z",
    "title_canon_sha256": "0f38a3f69b418c8b5e1470793573f3148bc36f88e1bd3542b473d3c3920108a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4355",
    "kind": "arxiv",
    "version": 1
  }
}