Pith Number

pith:TWCXTQHY

pith:2013:TWCXTQHYKITFK3KKMJ4TQHYKEB

not attested not anchored not stored refs pending

Algebraic and topological properties of an amalgamated algebra along an ideal

Carmelo Antonio Finocchiaro, Marco D'Anna, Marco Fontana

arxiv:1312.3804 v3 · 2013-12-13 · 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{TWCXTQHYKITFK3KKMJ4TQHYKEB}

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	2026-05-18T01:12:02.021336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d8579c0f85226556d4a6279381f0a205906df1d6070b01aa26c9d3c0590f299

Aliases

arxiv: 1312.3804 · arxiv_version: 1312.3804v3 · doi: 10.48550/arxiv.1312.3804 · pith_short_12: TWCXTQHYKITF · pith_short_16: TWCXTQHYKITFK3KK · pith_short_8: TWCXTQHY

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/TWCXTQHYKITFK3KKMJ4TQHYKEB \
  | 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: 9d8579c0f85226556d4a6279381f0a205906df1d6070b01aa26c9d3c0590f299

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "740ed1e14b09f85306668783542bcbedacd54df5d6830b2e05cd5a7fa039c97e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2013-12-13T13:29:09Z",
    "title_canon_sha256": "999087f0024ac563009ff69ca316178a0951adb72a1c614e6fbcf71b0a23932b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3804",
    "kind": "arxiv",
    "version": 3
  }
}