Pith Number

pith:WTFGD4JN

pith:2009:WTFGD4JNG7ZLOELVLG7LLNR3QG

not attested not anchored not stored refs pending

Annular Spin-Transfer Memory Element

Andrew D. Kent, Daniel L. Stein

arxiv:0907.1600 v1 · 2009-07-09 · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTFGD4JNG7ZLOELVLG7LLNR3QG}

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	2026-05-18T02:13:04.243251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4ca61f12d37f2b7117559beb5b63b81b68994a4db4b2e1e7d0c06a8a7d424a6

Aliases

arxiv: 0907.1600 · arxiv_version: 0907.1600v1 · doi: 10.48550/arxiv.0907.1600 · pith_short_12: WTFGD4JNG7ZL · pith_short_16: WTFGD4JNG7ZLOELV · pith_short_8: WTFGD4JN

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/WTFGD4JNG7ZLOELVLG7LLNR3QG \
  | 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: b4ca61f12d37f2b7117559beb5b63b81b68994a4db4b2e1e7d0c06a8a7d424a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07f28f02c4eafe2e1ce4f71c5d73a3040d0995528c0bcbc9a2ddc7af26b6ac77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-07-09T16:07:11Z",
    "title_canon_sha256": "b310f909902103616747d272a52a6c32f25042c6ff89d4900be8d15e15f9842f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1600",
    "kind": "arxiv",
    "version": 1
  }
}