Pith Number

pith:SYWL36TW

pith:2019:SYWL36TWMQRWVJZK6Z3EAUG2JK

not attested not anchored not stored refs pending

Topological properties of spaces of Baire functions

Saak Gabriyelyan

arxiv:1904.13227 v1 · 2019-04-27 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SYWL36TWMQRWVJZK6Z3EAUG2JK}

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	2026-05-17T23:47:21.867211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

962cbdfa7664236aa72af6764050da4a8e267aa3dc4b8e0b12467fa4abb7cba6

Aliases

arxiv: 1904.13227 · arxiv_version: 1904.13227v1 · doi: 10.48550/arxiv.1904.13227 · pith_short_12: SYWL36TWMQRW · pith_short_16: SYWL36TWMQRWVJZK · pith_short_8: SYWL36TW

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/SYWL36TWMQRWVJZK6Z3EAUG2JK \
  | 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: 962cbdfa7664236aa72af6764050da4a8e267aa3dc4b8e0b12467fa4abb7cba6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26d02b6de9d31a5d2f3843f856cceb865ac5d99131ee97d1e599ac5f6afd0be0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2019-04-27T07:17:41Z",
    "title_canon_sha256": "7f0d1f1eb9ea12e900d2ffc61db9eeb41aef90ff511a3fb87f014a7489fd3840"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.13227",
    "kind": "arxiv",
    "version": 1
  }
}