Pith Number

pith:5QLA3HJO

pith:2015:5QLA3HJOZPTYJ3HC7TVCJTDQHW

not attested not anchored not stored refs pending

Numerical optimization of writer geometries for bit patterned magnetic recording

A. Kovacs, F. Reichel, H. Oezelt, J. Fischbacher, L. Exl, M. E. Schabes, M. Gusenbauer, S. Bance, T. Schrefl

arxiv:1504.03577 v1 · 2015-04-14 · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5QLA3HJOZPTYJ3HC7TVCJTDQHW}

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	2026-05-18T02:18:50.502276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec160d9d2ecbe784ece2fcea24cc703da1851b26d776342351e6a9d04fe47bf8

Aliases

arxiv: 1504.03577 · arxiv_version: 1504.03577v1 · doi: 10.48550/arxiv.1504.03577 · pith_short_12: 5QLA3HJOZPTY · pith_short_16: 5QLA3HJOZPTYJ3HC · pith_short_8: 5QLA3HJO

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/5QLA3HJOZPTYJ3HC7TVCJTDQHW \
  | 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: ec160d9d2ecbe784ece2fcea24cc703da1851b26d776342351e6a9d04fe47bf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f00996ae61bd9b17aab0e0a4b70d407d0f34f4ade81403eccab29e92009a068",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2015-04-14T14:59:49Z",
    "title_canon_sha256": "35dca3f018069a1057dacea15db18dc03525d2ff15e066df63da69df4bc0af59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03577",
    "kind": "arxiv",
    "version": 1
  }
}