Pith Number

pith:G6YI2CTW

pith:2011:G6YI2CTWTBOGDIZIXRNGIVD4WP

not attested not anchored not stored refs pending

On the strength of the finite intersection principle

Carl Mummert, Damir D. Dzhafarov

arxiv:1109.3374 v1 · 2011-09-15 · 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{G6YI2CTWTBOGDIZIXRNGIVD4WP}

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	2026-05-18T02:31:30.284159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37b08d0a76985c61a328bc5a64547cb3ea122dab7e1d15373160247b912eb723

Aliases

arxiv: 1109.3374 · arxiv_version: 1109.3374v1 · doi: 10.48550/arxiv.1109.3374 · pith_short_12: G6YI2CTWTBOG · pith_short_16: G6YI2CTWTBOGDIZI · pith_short_8: G6YI2CTW

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/G6YI2CTWTBOGDIZIXRNGIVD4WP \
  | 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: 37b08d0a76985c61a328bc5a64547cb3ea122dab7e1d15373160247b912eb723

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09886e09999850f5605b27e05ef91d8caecebad5341c2b85e480e6f165f13382",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2011-09-15T15:08:24Z",
    "title_canon_sha256": "321aec4787a07ab2aae2b9b134c459f79c43de40c43bcb3f2bbae88f472cbfe1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3374",
    "kind": "arxiv",
    "version": 1
  }
}