Pith Number

pith:AKIXM5EU

pith:2014:AKIXM5EUY7VISL2REU4QB35JKY

not attested not anchored not stored refs pending

On the affirmative solution to Salem's problem

Semyon Yakubovich

arxiv:1501.00141 v11 · 2014-12-31 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AKIXM5EUY7VISL2REU4QB35JKY}

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	2026-05-17T23:45:53.810679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0291767494c7ea892f51253900efa956120b2c500a9271659a645696345e8e19

Aliases

arxiv: 1501.00141 · arxiv_version: 1501.00141v11 · doi: 10.48550/arxiv.1501.00141 · pith_short_12: AKIXM5EUY7VI · pith_short_16: AKIXM5EUY7VISL2R · pith_short_8: AKIXM5EU

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/AKIXM5EUY7VISL2REU4QB35JKY \
  | 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: 0291767494c7ea892f51253900efa956120b2c500a9271659a645696345e8e19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05e5c274f917cf9040f07d8eaf8474e7a8d24099f9962058699f520bb910765d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-12-31T14:22:40Z",
    "title_canon_sha256": "e286b50c17e30471b086d2ea9b43a91cd9c9be10e505492d69c301485513017a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00141",
    "kind": "arxiv",
    "version": 11
  }
}