Pith Number

pith:CKR42AJZ

pith:2011:CKR42AJZ3Q55Q36NJS3NJKPU3D

not attested not anchored not stored refs pending

Ferromagnetism in lead graphite-pencils and magnetic composite with CoFe2O4 particles

R.N. Bhowmik

arxiv:1107.1662 v1 · 2011-07-08 · 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{CKR42AJZ3Q55Q36NJS3NJKPU3D}

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	2026-05-18T04:18:35.261129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12a3cd0139dc3bd86fcd4cb6d4a9f4d8d6ab9ef1e7955a34bc49cd2cbacd02ea

Aliases

arxiv: 1107.1662 · arxiv_version: 1107.1662v1 · doi: 10.48550/arxiv.1107.1662 · pith_short_12: CKR42AJZ3Q55 · pith_short_16: CKR42AJZ3Q55Q36N · pith_short_8: CKR42AJZ

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/CKR42AJZ3Q55Q36NJS3NJKPU3D \
  | 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: 12a3cd0139dc3bd86fcd4cb6d4a9f4d8d6ab9ef1e7955a34bc49cd2cbacd02ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c3fe9e2e463bd57d335a6df391c54dc3579a646de64a94ff64ec6b05979a5df",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "2011-07-08T15:43:07Z",
    "title_canon_sha256": "8441cef41838cac797be3ce90084c2cf1b8124356df312a04bbee3053de52b67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1662",
    "kind": "arxiv",
    "version": 1
  }
}