Pith Number

pith:D4ASWOSB

pith:2026:D4ASWOSBJNQ4NEWDUPDQ4FBWEY

not attested not anchored not stored refs pending

Effect of startup modes on cold start performance of PEM fuel cells with different cathode flow fields

Kai Sun, Qifeng Li, Rui Chen, Tianyou Wang, Wenzhe Zhang, Xingxiao Tao, Zhizhao Che

arxiv:2605.14951 v1 · 2026-05-14 · 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{D4ASWOSBJNQ4NEWDUPDQ4FBWEY}

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	2026-05-17T23:38:55.380665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f012b3a414b61c692c3a3c70e1436262e494d7b8d7cee09883fcd982a8a75a4

Aliases

arxiv: 2605.14951 · arxiv_version: 2605.14951v1 · doi: 10.48550/arxiv.2605.14951 · pith_short_12: D4ASWOSBJNQ4 · pith_short_16: D4ASWOSBJNQ4NEWD · pith_short_8: D4ASWOSB

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/D4ASWOSBJNQ4NEWDUPDQ4FBWEY \
  | 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: 1f012b3a414b61c692c3a3c70e1436262e494d7b8d7cee09883fcd982a8a75a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6110b0e379a9056137f0660cfc90e4b52f475c3415796281d39e06bb2eca503",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2026-05-14T15:21:54Z",
    "title_canon_sha256": "44cad6dfee2fd514b813038a4a1f06405f2d9a89296c57e3a632419a52f2010d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.14951",
    "kind": "arxiv",
    "version": 1
  }
}