Pith Number

pith:XWMMFQT4

pith:2015:XWMMFQT4AYHCXBMUG62BDU7E6C

not attested not anchored not stored refs pending

Adding a lot of Cohen reals by adding a few I

Mohammad Golshani, Moti Gitik

arxiv:1503.04387 v1 · 2015-03-15 · 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{XWMMFQT4AYHCXBMUG62BDU7E6C}

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	2026-05-18T02:23:25.218428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd98c2c27c060e2b859437b411d3e4f080046c896beeec1e153a3aabf311d084

Aliases

arxiv: 1503.04387 · arxiv_version: 1503.04387v1 · doi: 10.48550/arxiv.1503.04387 · pith_short_12: XWMMFQT4AYHC · pith_short_16: XWMMFQT4AYHCXBMU · pith_short_8: XWMMFQT4

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/XWMMFQT4AYHCXBMUG62BDU7E6C \
  | 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: bd98c2c27c060e2b859437b411d3e4f080046c896beeec1e153a3aabf311d084

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f0656d7f4b276d0d4137d887344f950dee15f0c535a9d74c0a1ff6bf2f1421a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-03-15T04:30:57Z",
    "title_canon_sha256": "1ecde65a8a7265b4ddca7cf74decae911cba5a193f528a859bab547cb25f5cff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04387",
    "kind": "arxiv",
    "version": 1
  }
}