Pith Number

pith:EHCAHLKP

pith:2018:EHCAHLKPECDUQ4OS5HC52U5LFK

not attested not anchored not stored refs pending

On some applications of balanced pairs and their relation with cotorsion triplets

Haiyan Zhu, Marco A. P\'erez, Sergio Estrada

arxiv:1802.09989 v1 · 2018-02-27 · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EHCAHLKPECDUQ4OS5HC52U5LFK}

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	2026-07-05T01:39:52.830359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21c403ad4f20874871d2e9c5dd53ab2a882f2d58555fbea333478282d7fce85b

Aliases

arxiv: 1802.09989 · arxiv_version: 1802.09989v1 · doi: 10.48550/arxiv.1802.09989 · pith_short_12: EHCAHLKPECDU · pith_short_16: EHCAHLKPECDUQ4OS · pith_short_8: EHCAHLKP

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/EHCAHLKPECDUQ4OS5HC52U5LFK \
  | 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: 21c403ad4f20874871d2e9c5dd53ab2a882f2d58555fbea333478282d7fce85b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "824916edab58b7eb37574eeda78c4df5f4ba05ce1117c41c615c3018d4034efd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2018-02-27T16:09:58Z",
    "title_canon_sha256": "662f022080b57d0294606ea937524f5e6bd3856e566fc3d35779ab6f106ddc4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09989",
    "kind": "arxiv",
    "version": 1
  }
}