Pith Number

pith:EDSFNUJK

pith:2015:EDSFNUJKJGSEKFA6PZZOBYCW4F

not attested not anchored not stored refs pending

Instability of the shock wave/ sonic surface interaction

Alexander Kuzmin

arxiv:1503.08547 v1 · 2015-03-30 · physics.flu-dyn · physics.comp-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{EDSFNUJKJGSEKFA6PZZOBYCW4F}

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	2026-05-18T02:20:01.457428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20e456d12a49a445141e7e72e0e056e14f8d92582e958783497d07c1661967e3

Aliases

arxiv: 1503.08547 · arxiv_version: 1503.08547v1 · doi: 10.48550/arxiv.1503.08547 · pith_short_12: EDSFNUJKJGSE · pith_short_16: EDSFNUJKJGSEKFA6 · pith_short_8: EDSFNUJK

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/EDSFNUJKJGSEKFA6PZZOBYCW4F \
  | 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: 20e456d12a49a445141e7e72e0e056e14f8d92582e958783497d07c1661967e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ee15b77cf739d204c5dd44f15e99039e2c9dbf8130ab13942582b20e7d0d5b4",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2015-03-30T06:15:21Z",
    "title_canon_sha256": "74a5e2160dba062b53d478afcf586f3b854816e25b868bac97c95e94639ef33d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08547",
    "kind": "arxiv",
    "version": 1
  }
}