Pith Number

pith:BQCRTSCD

pith:2009:BQCRTSCD4V3DHRY26CFWFHUBWO

not attested not anchored not stored refs pending

Anisotropic thermal expansion of AEFe2As2 (AE = Ba, Sr, Ca) single crystals

Ni Ni, Paul C. Canfield, Sergey L. Bud'ko

arxiv:0907.2936 v1 · 2009-07-16 · cond-mat.mtrl-sci · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BQCRTSCD4V3DHRY26CFWFHUBWO}

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	2026-05-18T02:12:56.418232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c0519c843e57633c71af08b629e81b3a1aee110656e693d07fe4523104834b1

Aliases

arxiv: 0907.2936 · arxiv_version: 0907.2936v1 · doi: 10.48550/arxiv.0907.2936 · pith_short_12: BQCRTSCD4V3D · pith_short_16: BQCRTSCD4V3DHRY2 · pith_short_8: BQCRTSCD

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/BQCRTSCD4V3DHRY26CFWFHUBWO \
  | 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: 0c0519c843e57633c71af08b629e81b3a1aee110656e693d07fe4523104834b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec1dd18690ad37eb293b6cc18b323623da0d0d8a52bc2fa2b144c2495b3b26fc",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2009-07-16T20:48:05Z",
    "title_canon_sha256": "453b025a3dfbcf69d652c8f135201663c241778ec3e52cec1c88f8f1f5444f84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2936",
    "kind": "arxiv",
    "version": 1
  }
}