Pith Number

pith:OFDFHGHU

pith:2010:OFDFHGHUJALBGHLXD3NPOOSLIS

not attested not anchored not stored refs pending

Metric trees of generalized roundness one

Anthony Weston, Elena Caffarelli, Ian Doust

arxiv:1008.3418 v2 · 2010-08-20 · 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{OFDFHGHUJALBGHLXD3NPOOSLIS}

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	2026-05-18T01:08:36.203893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71465398f44816131d771edaf73a4b44aeab9c485292a70c6f51e06243d472a3

Aliases

arxiv: 1008.3418 · arxiv_version: 1008.3418v2 · doi: 10.48550/arxiv.1008.3418 · pith_short_12: OFDFHGHUJALB · pith_short_16: OFDFHGHUJALBGHLX · pith_short_8: OFDFHGHU

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/OFDFHGHUJALBGHLXD3NPOOSLIS \
  | 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: 71465398f44816131d771edaf73a4b44aeab9c485292a70c6f51e06243d472a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84e2e13c6db89f0546eb0dffd4ad1cec9e7906d89f48d22b1c3e09c32c53454e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2010-08-20T00:22:17Z",
    "title_canon_sha256": "60cc3033627e7540503e86dbb4277d505caebc4f08ed4247ae8af4e313cd5765"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3418",
    "kind": "arxiv",
    "version": 2
  }
}