Pith Number

pith:IFBEIHKM

pith:2018:IFBEIHKMUDKXQZAQIJMGEI5FYY

not attested not anchored not stored refs pending

Universal flows and automorphisms of $\mathcal P(\omega)/\mathrm{fin}$

Will Brian

arxiv:1802.02055 v1 · 2018-02-06 · math.GN · math.DS · 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{IFBEIHKMUDKXQZAQIJMGEI5FYY}

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	2026-05-18T00:24:11.031467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4142441d4ca0d578641042586223a5c628e3a839326c3c8fbd90d895dbc5c317

Aliases

arxiv: 1802.02055 · arxiv_version: 1802.02055v1 · doi: 10.48550/arxiv.1802.02055 · pith_short_12: IFBEIHKMUDKX · pith_short_16: IFBEIHKMUDKXQZAQ · pith_short_8: IFBEIHKM

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/IFBEIHKMUDKXQZAQIJMGEI5FYY \
  | 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: 4142441d4ca0d578641042586223a5c628e3a839326c3c8fbd90d895dbc5c317

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebde3f918156c257f9477b635ee9a73d4d6abf6629fb963465024a861c516895",
    "cross_cats_sorted": [
      "math.DS",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2018-02-06T16:39:05Z",
    "title_canon_sha256": "73ba189307fdcb51da3a223c259cc53b7901df1ac02c319502e4103f629b2a5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02055",
    "kind": "arxiv",
    "version": 1
  }
}