Pith Number

pith:LTOBF6D5

pith:2021:LTOBF6D5LUVU3WOF7CWUO64QAU

not attested not anchored not stored refs pending

Valued rank-metric codes

Alessandro Neri, Marvin Anas Hahn, Mima Stanojkovski, Yassine El Maazouz

arxiv:2104.03216 v2 · 2021-04-07 · math.NT · cs.IT · math.CO · 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{LTOBF6D5LUVU3WOF7CWUO64QAU}

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	2026-07-05T07:00:18.082873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cdc12f87d5d2b4dd9c5f8ad477b900520debefeadfa09169cbd233bb9027c74

Aliases

arxiv: 2104.03216 · arxiv_version: 2104.03216v2 · doi: 10.48550/arxiv.2104.03216 · pith_short_12: LTOBF6D5LUVU · pith_short_16: LTOBF6D5LUVU3WOF · pith_short_8: LTOBF6D5

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/LTOBF6D5LUVU3WOF7CWUO64QAU \
  | 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: 5cdc12f87d5d2b4dd9c5f8ad477b900520debefeadfa09169cbd233bb9027c74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92b1c0b8df8ef44ed67504828fd79471f13483b1f128d5c10302359ecb6a6779",
    "cross_cats_sorted": [
      "cs.IT",
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2021-04-07T16:08:10Z",
    "title_canon_sha256": "47d3ed62a865484131881a067fbbe8e98ab62707a584384cca1791228f7a6398"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.03216",
    "kind": "arxiv",
    "version": 2
  }
}