Pith Number

pith:BT4RBEDM

pith:2015:BT4RBEDM6JHLAFLB75VV5UCJ57

not attested not anchored not stored refs pending

Metrics with good Corona properties

A. J. L\'opez-Moreno, J. M. Almira, N. Del Toro

arxiv:1502.03383 v1 · 2015-02-11 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BT4RBEDM6JHLAFLB75VV5UCJ57}

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	2026-05-18T01:09:50.720929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cf910906cf24eb01561ff6b5ed049effdc0989f05dbcc5a7f3b12da36a02790

Aliases

arxiv: 1502.03383 · arxiv_version: 1502.03383v1 · doi: 10.48550/arxiv.1502.03383 · pith_short_12: BT4RBEDM6JHL · pith_short_16: BT4RBEDM6JHLAFLB · pith_short_8: BT4RBEDM

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/BT4RBEDM6JHLAFLB75VV5UCJ57 \
  | 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: 0cf910906cf24eb01561ff6b5ed049effdc0989f05dbcc5a7f3b12da36a02790

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "315d29ce9bb9762fc55564502040886327ba4a711032550306d3649667ebbdba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2015-02-11T17:16:03Z",
    "title_canon_sha256": "d52eedfecf610460a879ebe40d1129098fc4b289de570b484d9190470cd986f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03383",
    "kind": "arxiv",
    "version": 1
  }
}