Pith Number

pith:DMUVXOWO

pith:2021:DMUVXOWOX6DISF2VIDK6NRKJQN

not attested not anchored not stored refs pending

Han's conjecture for bounded extensions

Andrea Solotar, Claude Cibils, Eduardo N. Marcos, Marcelo Lanzilotta

arxiv:2101.02597 v3 · 2021-01-07 · math.KT · math.AC · math.RA · 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{DMUVXOWOX6DISF2VIDK6NRKJQN}

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	2026-07-05T03:53:59.893571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b295bbacebf8689175540d5e6c54983473d2732c1d0d79d9334663d365270c9

Aliases

arxiv: 2101.02597 · arxiv_version: 2101.02597v3 · doi: 10.48550/arxiv.2101.02597 · pith_short_12: DMUVXOWOX6DI · pith_short_16: DMUVXOWOX6DISF2V · pith_short_8: DMUVXOWO

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/DMUVXOWOX6DISF2VIDK6NRKJQN \
  | 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: 1b295bbacebf8689175540d5e6c54983473d2732c1d0d79d9334663d365270c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e4afaa3bccd5f0f8d0bd63e53049c4a9389b9e82539336429e1f9158b66e449",
    "cross_cats_sorted": [
      "math.AC",
      "math.RA",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2021-01-07T15:51:21Z",
    "title_canon_sha256": "0c44fa5e43754afd22eb80a1b87617fce86a032758ffe51cf196ec59814a18e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.02597",
    "kind": "arxiv",
    "version": 3
  }
}