Pith Number

pith:KO5T4V3B

pith:2013:KO5T4V3BLBNIGC5LXMD3L3XX4K

not attested not anchored not stored refs pending

Local analysis of Grauert-Remmert-type normalization algorithms

Janko Boehm, Mathias Schulze, Wolfram Decker

arxiv:1309.4620 v1 · 2013-09-18 · 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{KO5T4V3BLBNIGC5LXMD3L3XX4K}

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	2026-05-18T02:42:28.728735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53bb3e5761585a830babbb07b5eef7e281efec1e6889f7acb10332812a4406dc

Aliases

arxiv: 1309.4620 · arxiv_version: 1309.4620v1 · doi: 10.48550/arxiv.1309.4620 · pith_short_12: KO5T4V3BLBNI · pith_short_16: KO5T4V3BLBNIGC5L · pith_short_8: KO5T4V3B

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/KO5T4V3BLBNIGC5LXMD3L3XX4K \
  | 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: 53bb3e5761585a830babbb07b5eef7e281efec1e6889f7acb10332812a4406dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc645df7b2cc94797ea90e53b28e64169850e4554d1a26ccf077b725f8a8a6d4",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-09-18T12:08:35Z",
    "title_canon_sha256": "5c5ca09f16435b10e718ba220f2acd02ec5a107831dff339b4437398d6e98e8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4620",
    "kind": "arxiv",
    "version": 1
  }
}