Pith Number

pith:CV2PZMQM

pith:2013:CV2PZMQMCFTRJXJPWJJGIPNDID

not attested not anchored not stored refs pending

A Report on Realizability

Mauricio Guillermo, Octavio Malherbe, Walter Ferrer Santos

arxiv:1309.0706 v3 · 2013-09-03 · 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{CV2PZMQMCFTRJXJPWJJGIPNDID}

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	2026-05-18T03:11:57.045962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1574fcb20c116714dd2fb252643da340f49c3d42028fca5d8eecbfcc571641b8

Aliases

arxiv: 1309.0706 · arxiv_version: 1309.0706v3 · doi: 10.48550/arxiv.1309.0706 · pith_short_12: CV2PZMQMCFTR · pith_short_16: CV2PZMQMCFTRJXJP · pith_short_8: CV2PZMQM

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/CV2PZMQMCFTRJXJPWJJGIPNDID \
  | 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: 1574fcb20c116714dd2fb252643da340f49c3d42028fca5d8eecbfcc571641b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94ae60569fb87f37bc87d10f04edfb9d41a5a51b3d8d35337da0485c8374b2d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-09-03T14:44:37Z",
    "title_canon_sha256": "8b2f7ce13b57b1a0c6b4e8c7e215993fd7126b5c8f2eb4d6e8845581bfb66dc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0706",
    "kind": "arxiv",
    "version": 3
  }
}