Pith Number

pith:5ECEEXTO

pith:2012:5ECEEXTOYEQDJRW346WFBHKFHL

not attested not anchored not stored refs pending

A Generalization of Martin's Axiom

David Asper\'o, Miguel Angel Mota

arxiv:1206.6724 v2 · 2012-06-28 · 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{5ECEEXTOYEQDJRW346WFBHKFHL}

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	2026-05-18T02:28:54.248707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e904425e6ec12034c6dbe7ac509d453ae21c60459653e5455a7ce9ee685e330d

Aliases

arxiv: 1206.6724 · arxiv_version: 1206.6724v2 · doi: 10.48550/arxiv.1206.6724 · pith_short_12: 5ECEEXTOYEQD · pith_short_16: 5ECEEXTOYEQDJRW3 · pith_short_8: 5ECEEXTO

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/5ECEEXTOYEQDJRW346WFBHKFHL \
  | 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: e904425e6ec12034c6dbe7ac509d453ae21c60459653e5455a7ce9ee685e330d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f68894ff27e9694d954f4fe7c97df55a2f28097a723fef56fece7621f9b8fad9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2012-06-28T15:18:19Z",
    "title_canon_sha256": "d55d90b46d8a336c249a96770da3c1463cb2ce9635dcc391c52f074fb4860b58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.6724",
    "kind": "arxiv",
    "version": 2
  }
}