Pith Number

pith:H72LGJSS

pith:2016:H72LGJSSYSJ6SUXLDMM2ME2RSI

not attested not anchored not stored refs pending

The second Feng-Rao number for codes coming from telescopic semigroups

B. A. Heredia, Jos\'e I. Farr\'an, M. J. Leamer, P. A. Garc\'ia-S\'anchez

arxiv:1603.09301 v2 · 2016-03-30 · math.CO · 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{H72LGJSSYSJ6SUXLDMM2ME2RSI}

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	2026-05-18T00:53:34.417851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ff4b32652c493e952eb1b19a61351920e97de08c2d16e6e5a71f70862bd0670

Aliases

arxiv: 1603.09301 · arxiv_version: 1603.09301v2 · doi: 10.48550/arxiv.1603.09301 · pith_short_12: H72LGJSSYSJ6 · pith_short_16: H72LGJSSYSJ6SUXL · pith_short_8: H72LGJSS

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/H72LGJSSYSJ6SUXLDMM2ME2RSI \
  | 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: 3ff4b32652c493e952eb1b19a61351920e97de08c2d16e6e5a71f70862bd0670

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c7647b326fc36ba8478ad9b4964f108046e60c591ce0b742599362ed2edbd59",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-03-30T18:21:23Z",
    "title_canon_sha256": "17420dd07a4e6f2fceef882d96bb7cceb83de99abab1b9f2d4c03b4f54ebc3aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.09301",
    "kind": "arxiv",
    "version": 2
  }
}