Pith Number

pith:CS4WPHEO

pith:2018:CS4WPHEODGPDI6VGGNATCMBDAT

not attested not anchored not stored refs pending

Motion of a superconducting loop in an inhomogeneous magnetic field: a didactic experiment

Luca Perotti, Lucio Rossi, Marco Giliberti

arxiv:1804.03553 v1 · 2018-04-10 · physics.ed-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{CS4WPHEODGPDI6VGGNATCMBDAT}

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	2026-05-18T00:08:07.685088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14b9679c8e199e347aa6334131302304c00dbdc69c77d88f676902fda9de8b50

Aliases

arxiv: 1804.03553 · arxiv_version: 1804.03553v1 · doi: 10.48550/arxiv.1804.03553 · pith_short_12: CS4WPHEODGPD · pith_short_16: CS4WPHEODGPDI6VG · pith_short_8: CS4WPHEO

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/CS4WPHEODGPDI6VGGNATCMBDAT \
  | 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: 14b9679c8e199e347aa6334131302304c00dbdc69c77d88f676902fda9de8b50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42761a1a674d7d4e39235ea850bc48047e39757732702975b4643a23c2e6fd13",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2018-04-10T14:17:09Z",
    "title_canon_sha256": "531f5c2562703916448b9789c0ffa14a364e2deff3632ba8ebaac4bc2b635f84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03553",
    "kind": "arxiv",
    "version": 1
  }
}