Pith Number

pith:EHVFZJ7E

pith:2016:EHVFZJ7EJSFSPD4YRCYOPQ55O5

not attested not anchored not stored refs pending

Togliatti systems and Galois coverings

Emilia Mezzetti, Rosa Maria Mir\'o-Roig

arxiv:1611.05620 v2 · 2016-11-17 · math.AG · 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{EHVFZJ7EJSFSPD4YRCYOPQ55O5}

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	2026-05-18T00:06:26.689684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21ea5ca7e44c8b278f9888b0e7c3bd7756f94e58d376eb1ff50a7409a83e0a81

Aliases

arxiv: 1611.05620 · arxiv_version: 1611.05620v2 · doi: 10.48550/arxiv.1611.05620 · pith_short_12: EHVFZJ7EJSFS · pith_short_16: EHVFZJ7EJSFSPD4Y · pith_short_8: EHVFZJ7E

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/EHVFZJ7EJSFSPD4YRCYOPQ55O5 \
  | 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: 21ea5ca7e44c8b278f9888b0e7c3bd7756f94e58d376eb1ff50a7409a83e0a81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f47f49742bcb5aa49ae23e7511e71e02726499e613c7346a27ce0615f4d742b5",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-11-17T10:06:39Z",
    "title_canon_sha256": "bbff11fc9c23cee500aa4a5293f36b59bcd1e13f6a7ad780ab50e49fecdacd06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.05620",
    "kind": "arxiv",
    "version": 2
  }
}