Pith Number

pith:75PXYDYS

pith:2017:75PXYDYS34FEWEXNKDA74K55RV

not attested not anchored not stored refs pending

On a question of Silver about gap-two cardinal transfer principles

Mohammad Golshani, Shahram Mohsenipour

arxiv:1701.00653 v2 · 2017-01-03 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75PXYDYS34FEWEXNKDA74K55RV}

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	2026-05-18T00:49:31.560818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff5f7c0f12df0a4b12ed50c1fe2bbd8d48d948661b5afee800c5f004833a8d45

Aliases

arxiv: 1701.00653 · arxiv_version: 1701.00653v2 · doi: 10.48550/arxiv.1701.00653 · pith_short_12: 75PXYDYS34FE · pith_short_16: 75PXYDYS34FEWEXN · pith_short_8: 75PXYDYS

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/75PXYDYS34FEWEXNKDA74K55RV \
  | 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: ff5f7c0f12df0a4b12ed50c1fe2bbd8d48d948661b5afee800c5f004833a8d45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1caa1cdff132a699a90e8ad56991fe6739fc586218c57b05302096a00a182d22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-01-03T11:12:44Z",
    "title_canon_sha256": "30d6e02fa57b927223db8daff98ef4c2a7e2f87e49118707a9739f0904da4e41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00653",
    "kind": "arxiv",
    "version": 2
  }
}