Pith Number

pith:UHE5DQS3

pith:2013:UHE5DQS33IOI4GBJSYCSMUT6FG

not attested not anchored not stored refs pending

Static magnetic field concentration and enhancement using magnetic materials with positive permeability

F. Sun, S. He

arxiv:1308.6078 v1 · 2013-08-28 · 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{UHE5DQS33IOI4GBJSYCSMUT6FG}

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	2026-05-18T03:12:32.332096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1c9d1c25bda1c8e1829960526527e29bf2c038ca03a4ffe547621c2e4ed8d37

Aliases

arxiv: 1308.6078 · arxiv_version: 1308.6078v1 · doi: 10.48550/arxiv.1308.6078 · pith_short_12: UHE5DQS33IOI · pith_short_16: UHE5DQS33IOI4GBJ · pith_short_8: UHE5DQS3

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/UHE5DQS33IOI4GBJSYCSMUT6FG \
  | 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: a1c9d1c25bda1c8e1829960526527e29bf2c038ca03a4ffe547621c2e4ed8d37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37db90118c9bba7cd09fce5059cb53a44730d6f1a405d2f5d235582f76d06909",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2013-08-28T07:47:25Z",
    "title_canon_sha256": "db035ce2f0cb6b147010e5c142930a64cdd26d2d3cb6dc03392eb13df3b84038"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6078",
    "kind": "arxiv",
    "version": 1
  }
}