Pith Number

pith:RFZSJOI7

pith:2017:RFZSJOI7TQNQ3U76R4BV2OVLHH

not attested not anchored not stored refs pending

Universality of group embeddability

Filippo Calderoni, Luca Motto Ros

arxiv:1702.03787 v3 · 2017-02-13 · 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{RFZSJOI7TQNQ3U76R4BV2OVLHH}

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	2026-05-18T00:24:10.376338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

897324b91f9c1b0dd3fe8f035d3aab39de3a735b17cf91a935b6a5de05eb7a82

Aliases

arxiv: 1702.03787 · arxiv_version: 1702.03787v3 · doi: 10.48550/arxiv.1702.03787 · pith_short_12: RFZSJOI7TQNQ · pith_short_16: RFZSJOI7TQNQ3U76 · pith_short_8: RFZSJOI7

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/RFZSJOI7TQNQ3U76R4BV2OVLHH \
  | 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: 897324b91f9c1b0dd3fe8f035d3aab39de3a735b17cf91a935b6a5de05eb7a82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a91db6c8d82dcfaacc52c993c8f3ee93417fe2fc456c9aea0fa76328df0b4c42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-02-13T14:29:57Z",
    "title_canon_sha256": "ee1a2d4328028e2abe5bc2c3eb2b9081e21e3d7470985fea8c5590c5371e7458"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.03787",
    "kind": "arxiv",
    "version": 3
  }
}