Pith Number

pith:DNO35H2D

pith:2018:DNO35H2DVLXMPJJ6RBO4XZC7C2

not attested not anchored not stored refs pending

The Ap\'ery Set of a Good Semigroup

Lorenzo Guerrieri, Marco D'Anna, Vincenzo Micale

arxiv:1812.02064 v3 · 2018-12-05 · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DNO35H2DVLXMPJJ6RBO4XZC7C2}

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	2026-05-17T23:55:03.055593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b5dbe9f43aaeec7a53e885dcbe45f16b7eeb57937cee9b919183997849c2170

Aliases

arxiv: 1812.02064 · arxiv_version: 1812.02064v3 · doi: 10.48550/arxiv.1812.02064 · pith_short_12: DNO35H2DVLXM · pith_short_16: DNO35H2DVLXMPJJ6 · pith_short_8: DNO35H2D

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/DNO35H2DVLXMPJJ6RBO4XZC7C2 \
  | 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: 1b5dbe9f43aaeec7a53e885dcbe45f16b7eeb57937cee9b919183997849c2170

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16342db22ff03b29c08674895924a47faadfb1ba0fd5550d4bd68837a5325a9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2018-12-05T15:55:21Z",
    "title_canon_sha256": "a7751474e71b08ae50b23f14840865c80555c2c23a3503959fc710f427c0674a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02064",
    "kind": "arxiv",
    "version": 3
  }
}