Pith Number

pith:V6CXNCHY

pith:2010:V6CXNCHYBNIOQRRBC54SCHOBHD

not attested not anchored not stored refs pending

Irreducibility and embedding problems

Lior Bary-Soroker

arxiv:1009.4376 v1 · 2010-09-22 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V6CXNCHYBNIOQRRBC54SCHOBHD}

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	2026-05-18T04:40:33.251254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af857688f80b50e846211779211dc138dfc4df86e41721b717b40cb77e767e65

Aliases

arxiv: 1009.4376 · arxiv_version: 1009.4376v1 · doi: 10.48550/arxiv.1009.4376 · pith_short_12: V6CXNCHYBNIO · pith_short_16: V6CXNCHYBNIOQRRB · pith_short_8: V6CXNCHY

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/V6CXNCHYBNIOQRRBC54SCHOBHD \
  | 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: af857688f80b50e846211779211dc138dfc4df86e41721b717b40cb77e767e65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74aed6d8206ae7b572d7579dbe803169b4a3e3256e2685d5cd999fb217bd3200",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2010-09-22T14:55:10Z",
    "title_canon_sha256": "95582b652efda01a36b0a73ddfae4e1c5d9bf9a41331f8006dc01f50c574d241"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4376",
    "kind": "arxiv",
    "version": 1
  }
}