Pith Number

pith:O35TNP7J

pith:2018:O35TNP7JRY3TSXS5X3EJDE32XX

not attested not anchored not stored refs pending

Forking independence from the categorical point of view

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

arxiv:1801.09001 v5 · 2018-01-26 · math.LO · math.CT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O35TNP7JRY3TSXS5X3EJDE32XX}

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	2026-05-17T23:53:51.739554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76fb36bfe98e37395e5dbec891937abdca6be094dab66b7129bcc262d5ab353b

Aliases

arxiv: 1801.09001 · arxiv_version: 1801.09001v5 · doi: 10.48550/arxiv.1801.09001 · pith_short_12: O35TNP7JRY3T · pith_short_16: O35TNP7JRY3TSXS5 · pith_short_8: O35TNP7J

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/O35TNP7JRY3TSXS5X3EJDE32XX \
  | 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: 76fb36bfe98e37395e5dbec891937abdca6be094dab66b7129bcc262d5ab353b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dca6943e3ade9ee6d329a2a28b141b5b6cc2e6689a9486df11ecfd9aeb8222ca",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-01-26T23:14:47Z",
    "title_canon_sha256": "d13b30701d91a98647cd8899da25d6ecfcabaeb8061315fabe6a23ec3d2c1da3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09001",
    "kind": "arxiv",
    "version": 5
  }
}