Pith Number

pith:FUEL7MPX

pith:2025:FUEL7MPX7H7OKJ5FQF3SFQIACV

not attested not anchored not stored refs pending

Maximally recoverable codes with locality and availability

Umberto Mart\'inez-Pe\~nas, V. Lalitha

arxiv:2505.24573 v2 · 2025-05-30 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FUEL7MPX7H7OKJ5FQF3SFQIACV}

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	2026-05-20T00:01:34.102672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d08bfb1f7f9fee527a5817722c1001571c97a995ff536f24a62006e1461f45d

Aliases

arxiv: 2505.24573 · arxiv_version: 2505.24573v2 · doi: 10.48550/arxiv.2505.24573 · pith_short_12: FUEL7MPX7H7O · pith_short_16: FUEL7MPX7H7OKJ5F · pith_short_8: FUEL7MPX

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/FUEL7MPX7H7OKJ5FQF3SFQIACV \
  | 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: 2d08bfb1f7f9fee527a5817722c1001571c97a995ff536f24a62006e1461f45d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "117c7ee9df2ae88834d8087160a1b2054c0e759981dbac798cf927848b272414",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2025-05-30T13:25:44Z",
    "title_canon_sha256": "446f9df4bb00d6e829ee71249a733e1c23eb63e14e34da6407742bcc9cc30291"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.24573",
    "kind": "arxiv",
    "version": 2
  }
}