Pith Number

pith:U4NFSCTT

pith:2011:U4NFSCTTRCGGS2KAFE2KS7YQDQ

not attested not anchored not stored refs pending

Oxy-acetylene driven laboratory scale shock tubes for studying blast wave effects

Amy Courtney, Lubov Andrusiv, Michael Courtney

arxiv:1105.4670 v2 · 2011-05-24 · physics.med-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{U4NFSCTTRCGGS2KAFE2KS7YQDQ}

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	2026-05-18T03:58:04.581521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a71a590a73888c6969402934a97f101c00840a515695efac0f089744e906b08b

Aliases

arxiv: 1105.4670 · arxiv_version: 1105.4670v2 · doi: 10.48550/arxiv.1105.4670 · pith_short_12: U4NFSCTTRCGG · pith_short_16: U4NFSCTTRCGGS2KA · pith_short_8: U4NFSCTT

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/U4NFSCTTRCGGS2KAFE2KS7YQDQ \
  | 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: a71a590a73888c6969402934a97f101c00840a515695efac0f089744e906b08b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4aae30f3416bd663908098fcdfacda35d3894c84f5d43f64dd798cba1796a22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2011-05-24T03:09:52Z",
    "title_canon_sha256": "aaa571732fefb9618cd81a2079f7537af3e20c28284af24064ec1a9345875efe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4670",
    "kind": "arxiv",
    "version": 2
  }
}