Pith Number

pith:PLUHUOT5

pith:2015:PLUHUOT5REFUL7MJF7JGPI3QFM

not attested not anchored not stored refs pending

Defining coarsenings of valuations

Franziska Jahnke, Jochen Koenigsmann

arxiv:1501.04506 v1 · 2015-01-19 · 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{PLUHUOT5REFUL7MJF7JGPI3QFM}

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	2026-05-18T02:29:08.861535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ae87a3a7d890b45fd892fd267a3702b323f953e8ccb16c20b16200f5e2dedcb

Aliases

arxiv: 1501.04506 · arxiv_version: 1501.04506v1 · doi: 10.48550/arxiv.1501.04506 · pith_short_12: PLUHUOT5REFU · pith_short_16: PLUHUOT5REFUL7MJ · pith_short_8: PLUHUOT5

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/PLUHUOT5REFUL7MJF7JGPI3QFM \
  | 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: 7ae87a3a7d890b45fd892fd267a3702b323f953e8ccb16c20b16200f5e2dedcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22b3b80b08df23a7b78afcff72cd6383436b1cc0aab8da59a0bf1d1263236ede",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-01-19T14:40:30Z",
    "title_canon_sha256": "607185b47995345631dce7f60741d7f529f8bd1ab3dd9737ae0857125a26a73c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04506",
    "kind": "arxiv",
    "version": 1
  }
}