Pith Number

pith:ZOBL3YQA

pith:2014:ZOBL3YQAX63CJXMD6MDV6VBIQA

not attested not anchored not stored refs pending

On the Second Approximate Matsumoto Metric

A. Tayebi, E. Peyghan, T. Tabatabaeifar

arxiv:1408.0238 v1 · 2014-07-31 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZOBL3YQAX63CJXMD6MDV6VBIQA}

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	2026-05-18T02:46:03.576953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb82bde200bfb624dd83f3075f5428803cd4120e9f505c112604673c502a784b

Aliases

arxiv: 1408.0238 · arxiv_version: 1408.0238v1 · doi: 10.48550/arxiv.1408.0238 · pith_short_12: ZOBL3YQAX63C · pith_short_16: ZOBL3YQAX63CJXMD · pith_short_8: ZOBL3YQA

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/ZOBL3YQAX63CJXMD6MDV6VBIQA \
  | 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: cb82bde200bfb624dd83f3075f5428803cd4120e9f505c112604673c502a784b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31ac17bc81b2450886545888ca84900496522b23e443f92365802205b8e62205",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-07-31T08:55:09Z",
    "title_canon_sha256": "180c6c28cd422d209c329f62488bafaddb4507336783191c12eaab2a58b7df06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0238",
    "kind": "arxiv",
    "version": 1
  }
}