Pith Number

pith:QJ7UJCNQ

pith:2019:QJ7UJCNQ5L3C3FHUINABCHYAKO

not attested not anchored not stored refs pending

Perron transforms and Hironaka's game

Josnei Novacoski, Michael de Moraes

arxiv:1907.02094 v1 · 2019-07-03 · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QJ7UJCNQ5L3C3FHUINABCHYAKO}

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	2026-05-17T23:41:29.960765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

827f4489b0eaf62d94f44340111f0053b2abbfda274c927f0cc487f826782fa4

Aliases

arxiv: 1907.02094 · arxiv_version: 1907.02094v1 · doi: 10.48550/arxiv.1907.02094 · pith_short_12: QJ7UJCNQ5L3C · pith_short_16: QJ7UJCNQ5L3C3FHU · pith_short_8: QJ7UJCNQ

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/QJ7UJCNQ5L3C3FHUINABCHYAKO \
  | 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: 827f4489b0eaf62d94f44340111f0053b2abbfda274c927f0cc487f826782fa4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7116a91039dee2e9ce487e38e432d559b1ba2dcbbfc2fdf1c6108117401ba2dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2019-07-03T18:19:54Z",
    "title_canon_sha256": "e5401f5f24f75de23dd6dc63723c4fbadd5d6df2b366ce0c2405bec44ca6345d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02094",
    "kind": "arxiv",
    "version": 1
  }
}