Pith Number

pith:A3BDIXPM

pith:2009:A3BDIXPMPKQNKN6VEY7CRVRGVA

not attested not anchored not stored refs pending

Superparamagnetic nanoparticle ensembles

O. Petracic

arxiv:0911.4031 v2 · 2009-11-20 · 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{A3BDIXPMPKQNKN6VEY7CRVRGVA}

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	2026-05-18T02:10:45.493661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06c2345dec7aa0d537d5263e28d626a82f1d93d157c32274094cde2312ecff6c

Aliases

arxiv: 0911.4031 · arxiv_version: 0911.4031v2 · doi: 10.48550/arxiv.0911.4031 · pith_short_12: A3BDIXPMPKQN · pith_short_16: A3BDIXPMPKQNKN6V · pith_short_8: A3BDIXPM

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/A3BDIXPMPKQNKN6VEY7CRVRGVA \
  | 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: 06c2345dec7aa0d537d5263e28d626a82f1d93d157c32274094cde2312ecff6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca17e533b80d74287874c2e3d87bc3781b6581ba858f3ab5071cfea6a5c14f97",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-11-20T12:49:18Z",
    "title_canon_sha256": "70647efeca4cf66c6fa4cddf3c89264958bdd581ad43913353c9a639ba0a9314"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4031",
    "kind": "arxiv",
    "version": 2
  }
}