Pith Number

pith:EROM6LKU

pith:2016:EROM6LKUBGHHNWNDYJH3JD7PXO

not attested not anchored not stored refs pending

On the Jacobian conjecture in characteristic zero

Louis Hugo Brewis

arxiv:1607.01621 v4 · 2016-07-06 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EROM6LKUBGHHNWNDYJH3JD7PXO}

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	2026-05-18T01:08:32.083914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

245ccf2d54098e76d9a3c24fb48fefbba796f19ba98f3594fd10b08a84bd7864

Aliases

arxiv: 1607.01621 · arxiv_version: 1607.01621v4 · doi: 10.48550/arxiv.1607.01621 · pith_short_12: EROM6LKUBGHH · pith_short_16: EROM6LKUBGHHNWND · pith_short_8: EROM6LKU

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/EROM6LKUBGHHNWNDYJH3JD7PXO \
  | 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: 245ccf2d54098e76d9a3c24fb48fefbba796f19ba98f3594fd10b08a84bd7864

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf8bfe4e4cfcf7af08ce3dd0e9be8e49ae66987a9dc502d789b9c69878a5204a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-07-06T13:56:39Z",
    "title_canon_sha256": "0db61bf9a84a855a569c0f8bcd15e1a442f16037c5fcd06395fb55850f4d1d24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01621",
    "kind": "arxiv",
    "version": 4
  }
}