Pith Number

pith:ONVKWHW6

pith:2018:ONVKWHW67XZMFP2JHXXYOIBDG4

not attested not anchored not stored refs pending

Decidability of the existential fragment of some infinitely generated trace monoids: an application to ordinals

Alexis B\`es, Christian Choffrut

arxiv:1805.03028 v2 · 2018-05-08 · cs.LO · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ONVKWHW67XZMFP2JHXXYOIBDG4}

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	2026-05-18T00:16:20.809560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

736aab1edefdf2c2bf493def872023372c24ba1a58632ea91fafbf74b3dd2f8c

Aliases

arxiv: 1805.03028 · arxiv_version: 1805.03028v2 · doi: 10.48550/arxiv.1805.03028 · pith_short_12: ONVKWHW67XZM · pith_short_16: ONVKWHW67XZMFP2J · pith_short_8: ONVKWHW6

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/ONVKWHW67XZMFP2JHXXYOIBDG4 \
  | 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: 736aab1edefdf2c2bf493def872023372c24ba1a58632ea91fafbf74b3dd2f8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b242f312b80e6cb60d459447b881b42640ca6b9040ebef72026ef3a0f349e865",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-05-08T14:00:05Z",
    "title_canon_sha256": "9ac6dc981a9e8741d3ee5103a37df72e33270e67f04fa500c67b3e8cf0a351b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03028",
    "kind": "arxiv",
    "version": 2
  }
}