Pith Number

pith:4NOHBMLQ

pith:2014:4NOHBMLQYRHF4ZD45QWX7PWEXK

not attested not anchored not stored refs pending

Linear normality of general linear sections and some graded Betti numbers of 3-regular projective schemes

Jeaman Ahn, Kangjin Han

arxiv:1404.1757 v1 · 2014-04-07 · math.AG · 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{4NOHBMLQYRHF4ZD45QWX7PWEXK}

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	2026-05-18T02:54:40.217983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e35c70b170c44e5e647cec2d7fbec4ba908238f17143879c58fbfebd8614356e

Aliases

arxiv: 1404.1757 · arxiv_version: 1404.1757v1 · doi: 10.48550/arxiv.1404.1757 · pith_short_12: 4NOHBMLQYRHF · pith_short_16: 4NOHBMLQYRHF4ZD4 · pith_short_8: 4NOHBMLQ

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/4NOHBMLQYRHF4ZD45QWX7PWEXK \
  | 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: e35c70b170c44e5e647cec2d7fbec4ba908238f17143879c58fbfebd8614356e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c68b3710b79cadfcb420e847285ea36014653308b4196a770b058b7d568269b",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-04-07T12:05:41Z",
    "title_canon_sha256": "b1532fd5dae313fe6ec0007c03f9a22e2bf2b2268c5282eb2ef881b8ed27a546"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1757",
    "kind": "arxiv",
    "version": 1
  }
}