Pith Number

pith:LKI4BZ2W

pith:2017:LKI4BZ2WLN7G7FLKENIIBSXRGK

not attested not anchored not stored refs pending

How Amdahl's low restricts supercomputer applications and building ever bigger supercomputers

J\'anos V\'egh

arxiv:1708.01462 v2 · 2017-08-04 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LKI4BZ2WLN7G7FLKENIIBSXRGK}

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	2026-05-18T00:27:04.586984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a91c0e7565b7e6f956a235080caf132a98660052ada83242973f6b7e87284a3

Aliases

arxiv: 1708.01462 · arxiv_version: 1708.01462v2 · doi: 10.48550/arxiv.1708.01462 · pith_short_12: LKI4BZ2WLN7G · pith_short_16: LKI4BZ2WLN7G7FLK · pith_short_8: LKI4BZ2W

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/LKI4BZ2WLN7G7FLKENIIBSXRGK \
  | 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: 5a91c0e7565b7e6f956a235080caf132a98660052ada83242973f6b7e87284a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3df7275bea2e719b06534caf893b2c64cdf9a9e0f6e872b37248ae7bd2f0df0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2017-08-04T11:56:45Z",
    "title_canon_sha256": "1dfca506b4259e8afce62af5dabeabfbd05a0aa0707e025152a7017efa612bc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01462",
    "kind": "arxiv",
    "version": 2
  }
}