Pith Number

pith:Q33EUZF5

pith:2018:Q33EUZF5OMNPNUUCHXSAE5MDHH

not attested not anchored not stored refs pending

The space of relative orders and a generalization of Morris indicability theorem

Crist\'obal Rivas, Yago Antol\'in

arxiv:1802.05217 v2 · 2018-02-14 · math.GR · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q33EUZF5OMNPNUUCHXSAE5MDHH}

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	2026-05-18T00:13:44.852934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86f64a64bd731af6d2823de402758339e9f901285083549168e885acd8fef27a

Aliases

arxiv: 1802.05217 · arxiv_version: 1802.05217v2 · doi: 10.48550/arxiv.1802.05217 · pith_short_12: Q33EUZF5OMNP · pith_short_16: Q33EUZF5OMNPNUUC · pith_short_8: Q33EUZF5

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/Q33EUZF5OMNPNUUCHXSAE5MDHH \
  | 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: 86f64a64bd731af6d2823de402758339e9f901285083549168e885acd8fef27a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31b163be72e218f4653e3382c0c5e442474ebba035c54b29f2ced5ea82adfec3",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2018-02-14T17:07:35Z",
    "title_canon_sha256": "1d882db8752dd9eb4fe90abf5074d8faf623e4119e1ae2682dbd1119ed8f3cba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05217",
    "kind": "arxiv",
    "version": 2
  }
}