Pith Number

pith:KJMPSBLL

pith:2019:KJMPSBLL4YMCL2IJITPP5VW4US

not attested not anchored not stored refs pending

Sizes and filtrations in accessible categories

Ji\v{r}\'i Rosick\'y, Michael Lieberman, Sebastien Vasey

arxiv:1902.06777 v3 · 2019-02-18 · 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{KJMPSBLL4YMCL2IJITPP5VW4US}

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	2026-05-17T23:44:07.123388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5258f9056be61825e90944defed6dca494887d3f488b9df8e21dae48dac1ec6e

Aliases

arxiv: 1902.06777 · arxiv_version: 1902.06777v3 · doi: 10.48550/arxiv.1902.06777 · pith_short_12: KJMPSBLL4YMC · pith_short_16: KJMPSBLL4YMCL2IJ · pith_short_8: KJMPSBLL

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/KJMPSBLL4YMCL2IJITPP5VW4US \
  | 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: 5258f9056be61825e90944defed6dca494887d3f488b9df8e21dae48dac1ec6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39e36543919b0e12bd4ac30dd9ee9fbc2704232ec30de6623c645ec600bbef7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-02-18T19:54:22Z",
    "title_canon_sha256": "5c6affd471210ad6eb7b5bab80973fec55e07af2ef81f51aa5f82e42aa99bf04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06777",
    "kind": "arxiv",
    "version": 3
  }
}