Pith. sign in
Pith Number

pith:YBKIZLR2

pith:2020:YBKIZLR254CGPEQG6MCOVRFK64
not attested not anchored not stored refs pending

Heat Diffusion Imaging: In-Plane Thermal Conductivity Measurement of Thin Films in a Broad Temperature Range

D. H. Olson, M. Zebarjadi, P. E. Hopkins, T. Zhu

arxiv:2004.07428 v1 · 2020-04-16 · physics.app-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YBKIZLR254CGPEQG6MCOVRFK64}

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 2026-07-05T01:53:19.785065Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c0548cae3aef04679206f304eac4aaf7143dc41c13bbb97b8d13bd0813ebed6d

Aliases

arxiv: 2004.07428 · arxiv_version: 2004.07428v1 · doi: 10.48550/arxiv.2004.07428 · pith_short_12: YBKIZLR254CG · pith_short_16: YBKIZLR254CGPEQG · pith_short_8: YBKIZLR2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YBKIZLR254CGPEQG6MCOVRFK64 \
  | 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: c0548cae3aef04679206f304eac4aaf7143dc41c13bbb97b8d13bd0813ebed6d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4a42bbdd4657e7dc87c2e24dc92c9481227115648c185d254970ebfeaf3f18ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2020-04-16T02:58:39Z",
    "title_canon_sha256": "a59d7a1f57a8da86f402e66791871d6a02d494e5c3ac42e59cd1db171883eedb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.07428",
    "kind": "arxiv",
    "version": 1
  }
}