Pith Number

pith:BDQZOJ2G

pith:2011:BDQZOJ2G7IY7WYBBSSLF7NGIEQ

not attested not anchored not stored refs pending

Hydrogen mediated ferromagnetism in ZnO single crystals

D. Spemann, G. Brauer, M. Khalid, P. Esquinazi, W. Anwand

arxiv:1104.1899 v1 · 2011-04-11 · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BDQZOJ2G7IY7WYBBSSLF7NGIEQ}

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	2026-05-18T02:02:35.652936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08e1972746fa31fb602194965fb4c82414250ade6efdaff41cdc70e4f359f5f2

Aliases

arxiv: 1104.1899 · arxiv_version: 1104.1899v1 · doi: 10.48550/arxiv.1104.1899 · pith_short_12: BDQZOJ2G7IY7 · pith_short_16: BDQZOJ2G7IY7WYBB · pith_short_8: BDQZOJ2G

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/BDQZOJ2G7IY7WYBBSSLF7NGIEQ \
  | 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: 08e1972746fa31fb602194965fb4c82414250ade6efdaff41cdc70e4f359f5f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e81fdc62b3f0c8f8b5aa35b57426dd2074893c271c4a2c9aba76e1e62b11c3b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2011-04-11T10:27:52Z",
    "title_canon_sha256": "f2dcccbc2affdd4279db2cec361ff7a74d63893b0cd10e3264beaffcd4e1b85b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1899",
    "kind": "arxiv",
    "version": 1
  }
}