Pith Number

pith:O4XVD5UM

pith:2019:O4XVD5UMLT3XI7SW7DVDXPYQNK

not attested not anchored not stored refs pending

Royal Society Inaugural Article Perspective: Multiferroics Beyond Electric-Field Control of Magnetism

Nicola A. Spaldin

arxiv:1908.08352 v2 · 2019-08-22 · 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{O4XVD5UMLT3XI7SW7DVDXPYQNK}

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	2026-07-05T02:44:47.058944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

772f51f68c5cf7747e56f8ea3bbf106abf517d315cd7efbb3ffd50b4fe49c6a0

Aliases

arxiv: 1908.08352 · arxiv_version: 1908.08352v2 · doi: 10.48550/arxiv.1908.08352 · pith_short_12: O4XVD5UMLT3X · pith_short_16: O4XVD5UMLT3XI7SW · pith_short_8: O4XVD5UM

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/O4XVD5UMLT3XI7SW7DVDXPYQNK \
  | 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: 772f51f68c5cf7747e56f8ea3bbf106abf517d315cd7efbb3ffd50b4fe49c6a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc7e0294cd3a1ec08796efb5c6f3fd38e0103eef0ef19c93b00efd0d4121a562",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-08-22T13:08:26Z",
    "title_canon_sha256": "65fc362b45c9ac60378a85134eb52fa55c4bc29534f6defe82f356dee75eca46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08352",
    "kind": "arxiv",
    "version": 2
  }
}