Pith Number

pith:7DBT5I7J

pith:2017:7DBT5I7JKVRF5IUMIQVNZHDAAX

not attested not anchored not stored refs pending

On degenerations of algebras over an arbitrary field

C.A. Pallikaros, N.M. Ivanova

arxiv:1702.02647 v2 · 2017-02-08 · math.RA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7DBT5I7JKVRF5IUMIQVNZHDAAX}

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	2026-05-18T00:50:51.633787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8c33ea3e955625ea28c442adc9c6005d4f6aa182b8b3b0bbe941bc8010dc51c

Aliases

arxiv: 1702.02647 · arxiv_version: 1702.02647v2 · doi: 10.48550/arxiv.1702.02647 · pith_short_12: 7DBT5I7JKVRF · pith_short_16: 7DBT5I7JKVRF5IUM · pith_short_8: 7DBT5I7J

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/7DBT5I7JKVRF5IUMIQVNZHDAAX \
  | 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: f8c33ea3e955625ea28c442adc9c6005d4f6aa182b8b3b0bbe941bc8010dc51c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef8219aa521747360f3b2dc9ad02faa7846ef5b74225232c7a3181af340ebf0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-02-08T22:55:24Z",
    "title_canon_sha256": "8cdcf2569c58e249671879a8dd8b2200b356bba069d6d79ccf7836916cad8051"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02647",
    "kind": "arxiv",
    "version": 2
  }
}