Pith Number

pith:DOFHB6ZT

pith:2017:DOFHB6ZTJPW4OE6YA4MJZMP3TA

not attested not anchored not stored refs pending

Epireflections in topological algebraic structures

Julio Hern\'andez-Arzusa, Salvador Hern\'andez

arxiv:1704.01146 v2 · 2017-04-04 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DOFHB6ZTJPW4OE6YA4MJZMP3TA}

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	2026-05-18T00:00:22.656879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b8a70fb334bedc713d807189cb1fb981e33344e093ca3d708e917eb1618d6df

Aliases

arxiv: 1704.01146 · arxiv_version: 1704.01146v2 · doi: 10.48550/arxiv.1704.01146 · pith_short_12: DOFHB6ZTJPW4 · pith_short_16: DOFHB6ZTJPW4OE6Y · pith_short_8: DOFHB6ZT

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/DOFHB6ZTJPW4OE6YA4MJZMP3TA \
  | 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: 1b8a70fb334bedc713d807189cb1fb981e33344e093ca3d708e917eb1618d6df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52c860a752d6c038c53641702a2ed4b8b7e476383ea5c8dc0c6d040753c00026",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2017-04-04T18:30:15Z",
    "title_canon_sha256": "2e01b6d83468c644e06d9230036345dcc080872feb93a901c149c6399b377a68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01146",
    "kind": "arxiv",
    "version": 2
  }
}