Pith Number

pith:5AU2CGY3

pith:2009:5AU2CGY3MOLNMAYAZXBEQWN24R

not attested not anchored not stored refs pending

Magnetic Nanoparticles for Power Absorption: optimizing size, shape and magnetic properties

C.J. Serna, C. Marquina, G.F. Goya, M.A. Gonzalez-Fernandez, M. Andres-Verges, M.P. Morales, M.R. Ibarra, P. de la Presa, R. Costo, T. Torres

arxiv:0901.3891 v1 · 2009-01-25 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5AU2CGY3MOLNMAYAZXBEQWN24R}

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	2026-05-18T02:14:55.959277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e829a11b1b6396d60300cdc24859bae4641b7a490255a56f543d329b009bda36

Aliases

arxiv: 0901.3891 · arxiv_version: 0901.3891v1 · doi: 10.48550/arxiv.0901.3891 · pith_short_12: 5AU2CGY3MOLN · pith_short_16: 5AU2CGY3MOLNMAYA · pith_short_8: 5AU2CGY3

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/5AU2CGY3MOLNMAYAZXBEQWN24R \
  | 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: e829a11b1b6396d60300cdc24859bae4641b7a490255a56f543d329b009bda36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecbde6ee9f283fb4524b0198c02987ad9497d001f6dfcc2d97cf53a6cc3f9905",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2009-01-25T11:33:50Z",
    "title_canon_sha256": "50bb4e49b926cdd9bd037e448500332f6a146f75b97a6260f2b3cd2c3c54ba98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3891",
    "kind": "arxiv",
    "version": 1
  }
}