Pith Number

pith:CJPXK72B

pith:2013:CJPXK72BNHK4D2RRMEI7CAXGC7

not attested not anchored not stored refs pending

Where is magnetic anisotropy field pointing to?

Marek W. Gutowski

arxiv:1312.7130 v1 · 2013-12-26 · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CJPXK72BNHK4D2RRMEI7CAXGC7}

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	2026-05-18T03:03:45.758250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

125f757f4169d5c1ea316111f102e617efed63f818adb6d4a23c1e31fdb0ab97

Aliases

arxiv: 1312.7130 · arxiv_version: 1312.7130v1 · doi: 10.48550/arxiv.1312.7130 · pith_short_12: CJPXK72BNHK4 · pith_short_16: CJPXK72BNHK4D2RR · pith_short_8: CJPXK72B

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/CJPXK72BNHK4D2RRMEI7CAXGC7 \
  | 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: 125f757f4169d5c1ea316111f102e617efed63f818adb6d4a23c1e31fdb0ab97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a0627760eb4a9c9d005101e6954711922d4dadd04c51e613c847ed2c472177c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2013-12-26T16:59:44Z",
    "title_canon_sha256": "c35e582163ed7c1a954d6ace0b1beaaafc22a368f9dc428146825ed194b1bc57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7130",
    "kind": "arxiv",
    "version": 1
  }
}