Pith Number

pith:42MMRSQN

pith:2000:42MMRSQNDIRTCSMYEYKGVXGPVE

not attested not anchored not stored refs pending

Photonic Hall Effect in ferrofluids: Theory and Experiments

B. A. van Tiggelen, D. Lacoste, F. Donatini, J. A. Serughetti, S. Neveu

arxiv:cond-mat/0004101 v1 · 2000-04-06 · cond-mat.soft · cond-mat.dis-nn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{42MMRSQNDIRTCSMYEYKGVXGPVE}

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	2026-05-18T04:27:25.899087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e698c8ca0d1a2331499826146adccfa9045bd1b7ab30f16bf695771f7d4e98eb

Aliases

arxiv: cond-mat/0004101 · arxiv_version: cond-mat/0004101v1 · doi: 10.48550/arxiv.cond-mat/0004101 · pith_short_12: 42MMRSQNDIRT · pith_short_16: 42MMRSQNDIRTCSMY · pith_short_8: 42MMRSQN

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/42MMRSQNDIRTCSMYEYKGVXGPVE \
  | 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: e698c8ca0d1a2331499826146adccfa9045bd1b7ab30f16bf695771f7d4e98eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2985cf1fab5eb69fef00c0f1b01c6356191621d69b0a282e111f1199d810f9e",
    "cross_cats_sorted": [
      "cond-mat.dis-nn"
    ],
    "license": "",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2000-04-06T15:27:32Z",
    "title_canon_sha256": "be5026837b1df6baeb9923c1c4fe00c8da86698f99aeddfe9ff4eff37d543201"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0004101",
    "kind": "arxiv",
    "version": 1
  }
}