Pith Number

pith:75XN7NPL

pith:2014:75XN7NPLBKSNW7AESJDOEMMNLQ

not attested not anchored not stored refs pending

Energy harvesting through gas dynamics in the free molecular flow regime between structured surfaces at different temperatures

Julia D\"olger, Steffen Hardt, Tobias Baier

arxiv:1401.2862 v2 · 2014-01-13 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75XN7NPLBKSNW7AESJDOEMMNLQ}

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	2026-05-18T02:52:34.042860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff6edfb5eb0aa4db7c049246e2318d5c3f0750ec0287b0b45d8dcfbfab7c4b11

Aliases

arxiv: 1401.2862 · arxiv_version: 1401.2862v2 · doi: 10.48550/arxiv.1401.2862 · pith_short_12: 75XN7NPLBKSN · pith_short_16: 75XN7NPLBKSNW7AE · pith_short_8: 75XN7NPL

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/75XN7NPLBKSNW7AESJDOEMMNLQ \
  | 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: ff6edfb5eb0aa4db7c049246e2318d5c3f0750ec0287b0b45d8dcfbfab7c4b11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2510ce46343e2e4493da2357703ad4216b2f217800d53b92297ba89bedfb0563",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2014-01-13T15:08:49Z",
    "title_canon_sha256": "841b708081b2533980c36ec946bbcc87747e7b37962fef15f265cc450edcc730"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2862",
    "kind": "arxiv",
    "version": 2
  }
}