Pith Number

pith:5XDH3IKU

pith:2012:5XDH3IKU5HFSETQZTBCQZQPQY6

not attested not anchored not stored refs pending

Magnet traveling through a conducting pipe: a variation on the analytical approach

Asim Gangopadhyaya, Benjamin Irvine, Matthew Kemnetz, Thomas Ruubel

arxiv:1210.7796 v1 · 2012-10-27 · 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{5XDH3IKU5HFSETQZTBCQZQPQY6}

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	2026-05-18T03:41:58.099927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edc67da154e9cb224e1998450cc1f0c78176c734a4427685157f5efcda994260

Aliases

arxiv: 1210.7796 · arxiv_version: 1210.7796v1 · doi: 10.48550/arxiv.1210.7796 · pith_short_12: 5XDH3IKU5HFS · pith_short_16: 5XDH3IKU5HFSETQZ · pith_short_8: 5XDH3IKU

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/5XDH3IKU5HFSETQZTBCQZQPQY6 \
  | 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: edc67da154e9cb224e1998450cc1f0c78176c734a4427685157f5efcda994260

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "901c7e757a60348fcf98aedf47c006272685e1e143fe02b207dec0f2e1952299",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2012-10-27T16:24:19Z",
    "title_canon_sha256": "4546c2d393784cbbbbb56950c1315f592a5d513744c07fca1e3542acc494edfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.7796",
    "kind": "arxiv",
    "version": 1
  }
}