Pith Number

pith:K2S42TFV

pith:2009:K2S42TFVV4QQCL7OQ35VEKBTFQ

not attested not anchored not stored refs pending

The effect of sorbed hydrogen on low temperature radial thermal expansion of single walled carbon nanotube bundles

(2) Department of Physics, A. V. Dolbin (1), B. Sundqvist (2). ((1) B. Verkin Institute for Low Temperature Physics, Engineering of the National Academy of Sciences of Ukraine, Kharkov, N. A. Vinnikov (1), S. N. Popov (1), Sweden), Ukraine, Umea, Umea University, V. B. Esel'son (1), V. G. Gavrilko (1), V. G. Manzhelii (1)

arxiv:0907.2325 v1 · 2009-07-14 · cond-mat.mes-hall · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K2S42TFVV4QQCL7OQ35VEKBTFQ}

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	2026-05-18T02:13:03.241262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56a5cd4cb5af21012fee86fb5228332c09b9d5a971694b4d9f3ec943f8af1408

Aliases

arxiv: 0907.2325 · arxiv_version: 0907.2325v1 · doi: 10.48550/arxiv.0907.2325 · pith_short_12: K2S42TFVV4QQ · pith_short_16: K2S42TFVV4QQCL7O · pith_short_8: K2S42TFV

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/K2S42TFVV4QQCL7OQ35VEKBTFQ \
  | 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: 56a5cd4cb5af21012fee86fb5228332c09b9d5a971694b4d9f3ec943f8af1408

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96b0523c5b65ace4913a5ad7534175d12d854f5b5d18274a162545368f87675d",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-07-14T10:44:20Z",
    "title_canon_sha256": "2d07d428a82a049238e452bb2d43c6f940b34460fe3df21047fd7c823a676f5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2325",
    "kind": "arxiv",
    "version": 1
  }
}