Pith Number

pith:WGMUOO2N

pith:2012:WGMUOO2NDHI5IPNKLUSL7PYTU3

not attested not anchored not stored refs pending

High-speed measurement of firearm primer blast waves

Amy Courtney, Jonathan Eng, Joshua Daviscourt, Michael Courtney

arxiv:1203.2701 v1 · 2012-03-13 · physics.pop-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{WGMUOO2NDHI5IPNKLUSL7PYTU3}

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	2026-05-18T04:00:14.876673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b199473b4d19d1d43daa5d24bfbf13a6e918ef405d3a181b5a999ca0d9c924d0

Aliases

arxiv: 1203.2701 · arxiv_version: 1203.2701v1 · doi: 10.48550/arxiv.1203.2701 · pith_short_12: WGMUOO2NDHI5 · pith_short_16: WGMUOO2NDHI5IPNK · pith_short_8: WGMUOO2N

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/WGMUOO2NDHI5IPNKLUSL7PYTU3 \
  | 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: b199473b4d19d1d43daa5d24bfbf13a6e918ef405d3a181b5a999ca0d9c924d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9aae54031d7b574ddbd59e4120587358245ba0de1da40e1f9a94ebac91f4350e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2012-03-13T03:00:26Z",
    "title_canon_sha256": "94800513f7f464fce264460567330b391b2254bd4344c42b82da7c2d2b342288"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2701",
    "kind": "arxiv",
    "version": 1
  }
}