Pith Number

pith:GXBDSQ5A

pith:2008:GXBDSQ5ASLU7FRKMC2WQHI2PY3

not attested not anchored not stored refs pending

Direct Simulation of Low-Pressure Supersonic Gas Expansions and its Experimental Verification

Alexander Nass, Erhard Steffens

arxiv:0810.0393 v1 · 2008-10-02 · physics.atom-ph · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GXBDSQ5ASLU7FRKMC2WQHI2PY3}

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	2026-07-04T15:35:53.618744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35c23943a092e9f2c54c16ad03a34fc6f2ca35e81e1d709b6f2139d1eb3b9aaf

Aliases

arxiv: 0810.0393 · arxiv_version: 0810.0393v1 · doi: 10.48550/arxiv.0810.0393 · pith_short_12: GXBDSQ5ASLU7 · pith_short_16: GXBDSQ5ASLU7FRKM · pith_short_8: GXBDSQ5A

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/GXBDSQ5ASLU7FRKMC2WQHI2PY3 \
  | 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: 35c23943a092e9f2c54c16ad03a34fc6f2ca35e81e1d709b6f2139d1eb3b9aaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c77285eb761be0e42e253dcf9825be6d01ad458262586b11e44fbefa3c64a65a",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2008-10-02T11:42:02Z",
    "title_canon_sha256": "8e4c7525c3a70f137919442e800eb54dbf6586e4035f2a607de16f4ab5b6ca91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.0393",
    "kind": "arxiv",
    "version": 1
  }
}