Pith Number

pith:U7VMSJMJ

pith:2017:U7VMSJMJAARFMHP7F5X2QBPJ3W

not attested not anchored not stored refs pending

Numerical validation of blow-up solutions with quasi-homogeneous compactifications

Akitoshi Takayasu, Kaname Matsue

arxiv:1707.05936 v1 · 2017-07-19 · math.NA · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U7VMSJMJAARFMHP7F5X2QBPJ3W}

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	2026-05-18T00:39:58.911406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7eac925890022561dff2f6fa805e9ddb81a53b2cbb6c5a6c00371416e3c101f

Aliases

arxiv: 1707.05936 · arxiv_version: 1707.05936v1 · doi: 10.48550/arxiv.1707.05936 · pith_short_12: U7VMSJMJAARF · pith_short_16: U7VMSJMJAARFMHP7 · pith_short_8: U7VMSJMJ

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/U7VMSJMJAARFMHP7F5X2QBPJ3W \
  | 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: a7eac925890022561dff2f6fa805e9ddb81a53b2cbb6c5a6c00371416e3c101f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab95162c0459cda7c45cac863a523fcd31b54da4490d6bb099c4d62db1e9d470",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-07-19T04:49:17Z",
    "title_canon_sha256": "17edcb5b73594d4e94ca9e44f22b7d5a32d0eaa31de2eb2b888be2b863ed0dfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05936",
    "kind": "arxiv",
    "version": 1
  }
}