Pith Number

pith:POIIG5AP

pith:2015:POIIG5AP7HRBW5UHWIKM7HOS6O

not attested not anchored not stored refs pending

Cohomology and torsion cycles over the maximal cyclotomic extension

Damian R\"ossler, Tam\'as Szamuely

arxiv:1506.01270 v2 · 2015-06-03 · math.NT · 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{POIIG5AP7HRBW5UHWIKM7HOS6O}

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	2026-05-18T01:00:10.227709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b9083740ff9e21b7687b214cf9dd2f3844955fa9001269ab6fca30d0c68cbdf

Aliases

arxiv: 1506.01270 · arxiv_version: 1506.01270v2 · doi: 10.48550/arxiv.1506.01270 · pith_short_12: POIIG5AP7HRB · pith_short_16: POIIG5AP7HRBW5UH · pith_short_8: POIIG5AP

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/POIIG5AP7HRBW5UHWIKM7HOS6O \
  | 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: 7b9083740ff9e21b7687b214cf9dd2f3844955fa9001269ab6fca30d0c68cbdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd939e127d89d9b50c9c9ca98a22974e421da02ff0414f04495cf32dd6a0622c",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2015-06-03T15:02:50Z",
    "title_canon_sha256": "91c56641aeb350ba738b446f013f08042ef7f4833fa199c735d9ac42ec869904"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01270",
    "kind": "arxiv",
    "version": 2
  }
}