Pith Number

pith:4KDTRT2M

pith:2011:4KDTRT2MCOVCZZFNX462BEUGU3

not attested not anchored not stored refs pending

Tame Loci of Certain Local Cohomology Modules

Markus Brodmann, Maryam Jahangiri

arxiv:1106.3638 v1 · 2011-06-18 · math.AC · 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{4KDTRT2MCOVCZZFNX462BEUGU3}

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	2026-05-18T04:19:42.593060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e28738cf4c13aa2ce4adbf3da09286a6ea5877fde1969dac7e4b8cf30ed8f142

Aliases

arxiv: 1106.3638 · arxiv_version: 1106.3638v1 · doi: 10.48550/arxiv.1106.3638 · pith_short_12: 4KDTRT2MCOVC · pith_short_16: 4KDTRT2MCOVCZZFN · pith_short_8: 4KDTRT2M

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/4KDTRT2MCOVCZZFNX462BEUGU3 \
  | 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: e28738cf4c13aa2ce4adbf3da09286a6ea5877fde1969dac7e4b8cf30ed8f142

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01811d22d12f9c3fd27b351dec1e6dfc44a95ce2400401d5da0546b9cd41cb14",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2011-06-18T10:57:13Z",
    "title_canon_sha256": "8dcaac8e8a407ecdc21955dc8d02a30ca1a39589272705ae45c8576b7cc2215b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3638",
    "kind": "arxiv",
    "version": 1
  }
}