Pith Number

pith:DEGNJJUH

pith:2013:DEGNJJUHBGSVQKX3IBWANGPAVK

not attested not anchored not stored refs pending

The local cohomology of the jacobian ring

Edoardo Sernesi

arxiv:1306.3736 v4 · 2013-06-17 · 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{DEGNJJUHBGSVQKX3IBWANGPAVK}

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	2026-05-18T02:52:48.520058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

190cd4a68709a5582afb406c0699e0aa9c4ff834f4361d25b157dcc278d7fca1

Aliases

arxiv: 1306.3736 · arxiv_version: 1306.3736v4 · doi: 10.48550/arxiv.1306.3736 · pith_short_12: DEGNJJUHBGSV · pith_short_16: DEGNJJUHBGSVQKX3 · pith_short_8: DEGNJJUH

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/DEGNJJUHBGSVQKX3IBWANGPAVK \
  | 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: 190cd4a68709a5582afb406c0699e0aa9c4ff834f4361d25b157dcc278d7fca1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8c8682f9fc2d7292467c332a87c35c6fa9696ba4a2e2ea4e5a40291b6b35773",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-06-17T04:36:51Z",
    "title_canon_sha256": "0ae4af703e42df96c6a20e196ab18b3e24213dbe7c4124454bbed48e8b48959b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3736",
    "kind": "arxiv",
    "version": 4
  }
}