Pith Number

pith:2GCKK2OQ

pith:2010:2GCKK2OQEZPYJ3QKFBKAUE7NBL

not attested not anchored not stored refs pending

On cycle-to-cycle heat release variations in a simulated spark ignition heat engine

A. Calvo Hern\'andez, A. Medina, F. Angulo-Brown, L. Guzm\'an-Vargas, P.L. Curto-Risso

arxiv:1005.5410 v1 · 2010-05-28 · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2GCKK2OQEZPYJ3QKFBKAUE7NBL}

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	2026-07-04T17:29:50.796599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d184a569d0265f84ee0a28540a13ed0adbdcdc3023da12b7aa00b473eaea672b

Aliases

arxiv: 1005.5410 · arxiv_version: 1005.5410v1 · doi: 10.48550/arxiv.1005.5410 · pith_short_12: 2GCKK2OQEZPY · pith_short_16: 2GCKK2OQEZPYJ3QK · pith_short_8: 2GCKK2OQ

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/2GCKK2OQEZPYJ3QKFBKAUE7NBL \
  | 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: d184a569d0265f84ee0a28540a13ed0adbdcdc3023da12b7aa00b473eaea672b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34e5dfe057ff4f13eb2971f73f9309932ee0774b7e5248965db10911be2fe6c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2010-05-28T22:16:30Z",
    "title_canon_sha256": "052c62a6538fc9f665c4f6fe1df7b6ed20f308c468e4077af678da228d49a912"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.5410",
    "kind": "arxiv",
    "version": 1
  }
}