Pith Number

pith:HOHOFTQC

pith:2017:HOHOFTQCTSFTHRIG333INQOHVL

not attested not anchored not stored refs pending

On a question of Krajewski's

Albert Visser, Fedor Pakhomov

arxiv:1712.01713 v1 · 2017-12-05 · 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{HOHOFTQCTSFTHRIG333INQOHVL}

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	2026-05-18T00:28:47.793824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b8ee2ce029c8b33c506def686c1c7aacdefe5ab215868eb7dffc55b6c5a7190

Aliases

arxiv: 1712.01713 · arxiv_version: 1712.01713v1 · doi: 10.48550/arxiv.1712.01713 · pith_short_12: HOHOFTQCTSFT · pith_short_16: HOHOFTQCTSFTHRIG · pith_short_8: HOHOFTQC

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/HOHOFTQCTSFTHRIG333INQOHVL \
  | 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: 3b8ee2ce029c8b33c506def686c1c7aacdefe5ab215868eb7dffc55b6c5a7190

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc3864d99ba448bceb59e2c693ec35526eb39bf3dedc2047ea83b19c2229d777",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-12-05T15:27:42Z",
    "title_canon_sha256": "3a03077c35b284a62e8580ff9f0cc8bad1918b558a120e21efcadffa94ce82dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01713",
    "kind": "arxiv",
    "version": 1
  }
}