Pith Number

pith:2R2SINSH

pith:2009:2R2SINSHOVCCZOO5SNWVQGPW7C

not attested not anchored not stored refs pending

One-dimensional stability of parallel shock layers in isentropic magnetohydrodynamic

Blake Barker, Jeffrey Humpherys, Kevin Zumbrun

arxiv:0906.1208 v1 · 2009-06-05 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2R2SINSHOVCCZOO5SNWVQGPW7C}

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	2026-05-18T00:42:49.334220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d47524364775442cb9dd936d5819f6f8ac8e7807fc2ad0acd47a6b81ba14374e

Aliases

arxiv: 0906.1208 · arxiv_version: 0906.1208v1 · doi: 10.48550/arxiv.0906.1208 · pith_short_12: 2R2SINSHOVCC · pith_short_16: 2R2SINSHOVCCZOO5 · pith_short_8: 2R2SINSH

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/2R2SINSHOVCCZOO5SNWVQGPW7C \
  | 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: d47524364775442cb9dd936d5819f6f8ac8e7807fc2ad0acd47a6b81ba14374e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc5a44d79db73efe2a92f0e278d78dfd583bef0159fbf0b154f467479f85f871",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2009-06-05T20:32:23Z",
    "title_canon_sha256": "2a46a6811e525b85043cd9f2b2dc40bcd82be6668195bff6641b6bab3e3c2c16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1208",
    "kind": "arxiv",
    "version": 1
  }
}