Pith Number

pith:HDJQULSS

pith:2016:HDJQULSSNO5YI3DG2DFGDQ27LX

not attested not anchored not stored refs pending

Automorphisms of perfect power series rings

Kiran S. Kedlaya

arxiv:1602.09051 v3 · 2016-02-29 · math.RA · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HDJQULSSNO5YI3DG2DFGDQ27LX}

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	2026-05-18T00:12:02.696710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38d30a2e526bbb846c66d0ca61c35f5de7f69f867c0641893169f53d3f8a6bdb

Aliases

arxiv: 1602.09051 · arxiv_version: 1602.09051v3 · doi: 10.48550/arxiv.1602.09051 · pith_short_12: HDJQULSSNO5Y · pith_short_16: HDJQULSSNO5YI3DG · pith_short_8: HDJQULSS

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/HDJQULSSNO5YI3DG2DFGDQ27LX \
  | 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: 38d30a2e526bbb846c66d0ca61c35f5de7f69f867c0641893169f53d3f8a6bdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5d9c6118e9c03474b490e8267930a6a5d0c05629bfdcb5dd0be9d2c5775f395",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2016-02-29T17:22:25Z",
    "title_canon_sha256": "984fd9efa13e147445237ba48f4f3f8d53b65ed6a92f38e64f8f4df9dee5b137"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.09051",
    "kind": "arxiv",
    "version": 3
  }
}