Pith Number

pith:WYEI43W4

pith:2017:WYEI43W4KJE2ZAJNWGYDQPRZAE

not attested not anchored not stored refs pending

The weakly compact reflection principle need not imply a high order of weak compactness

Brent Cody, Hiroshi Sakai

arxiv:1707.08506 v2 · 2017-07-26 · 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{WYEI43W4KJE2ZAJNWGYDQPRZAE}

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	2026-05-18T00:36:08.408295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6088e6edc5249ac812db1b0383e390111b134f2da035a2de0b86547f302b67c

Aliases

arxiv: 1707.08506 · arxiv_version: 1707.08506v2 · doi: 10.48550/arxiv.1707.08506 · pith_short_12: WYEI43W4KJE2 · pith_short_16: WYEI43W4KJE2ZAJN · pith_short_8: WYEI43W4

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/WYEI43W4KJE2ZAJNWGYDQPRZAE \
  | 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: b6088e6edc5249ac812db1b0383e390111b134f2da035a2de0b86547f302b67c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52d7bba321475a5235555ad4e71df5377a39dbdc73ee4ea04137db9be6c8aa2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-07-26T15:43:12Z",
    "title_canon_sha256": "d2c04a355a26eb17e8328c6e606b338070b7a92fe49fa5792edfa9b49cd15902"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08506",
    "kind": "arxiv",
    "version": 2
  }
}