Pith Number

pith:HVFCQ44B

pith:2011:HVFCQ44BLFI5O22T5RXQKDPTLX

not attested not anchored not stored refs pending

The free pseudospace is n-ample, but not (n+1)-ample

Katrin Tent

arxiv:1109.6608 v4 · 2011-09-29 · 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{HVFCQ44BLFI5O22T5RXQKDPTLX}

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	2026-05-18T04:09:46.703205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d4a2873815951d76b53ec6f050df35de7c6a96fb87e96e3d9b00ec6a9481ea9

Aliases

arxiv: 1109.6608 · arxiv_version: 1109.6608v4 · doi: 10.48550/arxiv.1109.6608 · pith_short_12: HVFCQ44BLFI5 · pith_short_16: HVFCQ44BLFI5O22T · pith_short_8: HVFCQ44B

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/HVFCQ44BLFI5O22T5RXQKDPTLX \
  | 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: 3d4a2873815951d76b53ec6f050df35de7c6a96fb87e96e3d9b00ec6a9481ea9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64c00ea2b7c4b9471415bf49e0b5fa83f351fd7e5c9774c3ff4af799ecd6941e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2011-09-29T18:11:47Z",
    "title_canon_sha256": "31dcd0aecd7735b5a271f32c7a124cdea2e10769792a98a05ee72de4128c612b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6608",
    "kind": "arxiv",
    "version": 4
  }
}