Pith Number

pith:NDPLGXM3

pith:2011:NDPLGXM3U7OCPU3VX7VDVAWYMP

not attested not anchored not stored refs pending

A Table-top Blast Driven Shock Tube

Amy Courtney, Michael Courtney

arxiv:1102.1614 v1 · 2011-02-08 · physics.med-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{NDPLGXM3U7OCPU3VX7VDVAWYMP}

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	2026-05-18T04:29:52.869764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68deb35d9ba7dc27d375bfea3a82d863e98706f94d1809f326725da2fb30ed2e

Aliases

arxiv: 1102.1614 · arxiv_version: 1102.1614v1 · doi: 10.48550/arxiv.1102.1614 · pith_short_12: NDPLGXM3U7OC · pith_short_16: NDPLGXM3U7OCPU3V · pith_short_8: NDPLGXM3

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/NDPLGXM3U7OCPU3VX7VDVAWYMP \
  | 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: 68deb35d9ba7dc27d375bfea3a82d863e98706f94d1809f326725da2fb30ed2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3932e0730dcd10e81096eed927914b651ab87d740d3cc03a8262915da979eb3",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2011-02-08T14:33:48Z",
    "title_canon_sha256": "8c4a80094d2338522e99cec9488c555cb469bb2b5758e88f44f5c824b4275cf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1614",
    "kind": "arxiv",
    "version": 1
  }
}