Pith Number

pith:SFHCX6I6

pith:2019:SFHCX6I6RG3LA764HAXC6WTPFV

not attested not anchored not stored refs pending

Rigorous numerics of blow-up solutions for ODEs with exponential nonlinearity

Akitoshi Takayasu, Kaname Matsue

arxiv:1902.01842 v1 · 2019-02-05 · 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{SFHCX6I6RG3LA764HAXC6WTPFV}

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	2026-05-17T23:54:42.202389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

914e2bf91e89b6b07fdc382e2f5a6f2d4f41aa6ee46a7f12a47522a3b12e73f1

Aliases

arxiv: 1902.01842 · arxiv_version: 1902.01842v1 · doi: 10.48550/arxiv.1902.01842 · pith_short_12: SFHCX6I6RG3L · pith_short_16: SFHCX6I6RG3LA764 · pith_short_8: SFHCX6I6

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/SFHCX6I6RG3LA764HAXC6WTPFV \
  | 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: 914e2bf91e89b6b07fdc382e2f5a6f2d4f41aa6ee46a7f12a47522a3b12e73f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b55172628afd2abc0031e3637cc7467eed23cb93aa73bddae452a91878617188",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-02-05T18:22:10Z",
    "title_canon_sha256": "082f8b459fbace2e55e2f51fbc2d0c581de335c85bf66c8f7fc57cd37a383bf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01842",
    "kind": "arxiv",
    "version": 1
  }
}