Pith Number

pith:KLZQBHHW

pith:2018:KLZQBHHWT77RSNHIIS2WDG6MCZ

not attested not anchored not stored refs pending

Guessing models and the approachability ideal

Boban Velickovic, Rahman Mohammadpour

arxiv:1802.10125 v2 · 2018-02-27 · 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{KLZQBHHWT77RSNHIIS2WDG6MCZ}

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	2026-05-17T23:45:53.224958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52f3009cf69fff1934e844b5619bcc166a89f295653c7b01da7bff73144564f4

Aliases

arxiv: 1802.10125 · arxiv_version: 1802.10125v2 · doi: 10.48550/arxiv.1802.10125 · pith_short_12: KLZQBHHWT77R · pith_short_16: KLZQBHHWT77RSNHI · pith_short_8: KLZQBHHW

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/KLZQBHHWT77RSNHIIS2WDG6MCZ \
  | 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: 52f3009cf69fff1934e844b5619bcc166a89f295653c7b01da7bff73144564f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad64b7b5a585ccff79b880bca4d80a25e4bde3fabfbf8c22e5a2da16a6897576",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-02-27T19:24:08Z",
    "title_canon_sha256": "40a8fa136d38b99bbee690f3643664aa475a824835d3ec3f7bfa5662f68188ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.10125",
    "kind": "arxiv",
    "version": 2
  }
}