Pith Number

pith:BLQH7KIL

pith:2018:BLQH7KILAIKGP2V564FUHLGMD4

not attested not anchored not stored refs pending

Mobi algebra as an abstraction to the unit interval and its comparison to rings

J. P. Fatelo, N. Martins-Ferreira

arxiv:1801.02088 v1 · 2018-01-06 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BLQH7KILAIKGP2V564FUHLGMD4}

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	2026-05-18T00:26:34.920416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ae07fa90b021467eabdf70b43accc1f23a0ffafbe725f9a7b6a7f7c770191d5

Aliases

arxiv: 1801.02088 · arxiv_version: 1801.02088v1 · doi: 10.48550/arxiv.1801.02088 · pith_short_12: BLQH7KILAIKG · pith_short_16: BLQH7KILAIKGP2V5 · pith_short_8: BLQH7KIL

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/BLQH7KILAIKGP2V564FUHLGMD4 \
  | 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: 0ae07fa90b021467eabdf70b43accc1f23a0ffafbe725f9a7b6a7f7c770191d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37b764fe591dc4db6dd1ec5b0e3f3bc35fd0511f32426561beea75ac4f1bffe3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-01-06T20:50:21Z",
    "title_canon_sha256": "fb2eb582648b47bf33bd621bd21e0914f84080c23eb4e187b98b58bafc3c106b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02088",
    "kind": "arxiv",
    "version": 1
  }
}