Pith Number

pith:QIYQ2K73

pith:2018:QIYQ2K733HZMIHFUZ7ZL2KL5X6

not attested not anchored not stored refs pending

A note on genera of band-connected sums that are fibered

Katura Miyazaki

arxiv:1804.01890 v1 · 2018-04-04 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QIYQ2K733HZMIHFUZ7ZL2KL5X6}

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	2026-05-18T00:19:09.617935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82310d2bfbd9f2c41cb4cff2bd297dbfbadd80dd8648bfd415bb155ae0987711

Aliases

arxiv: 1804.01890 · arxiv_version: 1804.01890v1 · doi: 10.48550/arxiv.1804.01890 · pith_short_12: QIYQ2K733HZM · pith_short_16: QIYQ2K733HZMIHFU · pith_short_8: QIYQ2K73

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/QIYQ2K733HZMIHFUZ7ZL2KL5X6 \
  | 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: 82310d2bfbd9f2c41cb4cff2bd297dbfbadd80dd8648bfd415bb155ae0987711

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dbed61ca218d99d815d99216259a0972788a5bdf40c34375e120c87a72e8e9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2018-04-04T06:40:32Z",
    "title_canon_sha256": "d8d759416f7a4ed931e4b5b69c96408007a0ed90b9afb794eed60e280d90caec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01890",
    "kind": "arxiv",
    "version": 1
  }
}