Pith Number

pith:YZXRQZZ5

pith:2019:YZXRQZZ5JLYXJYVV2JXH5XSTKY

not attested not anchored not stored refs pending

Shock related unsteadiness of axisymmetric spiked bodies in the supersonic flow

Devabrata Sahoo, Jacob Cohen, S. K. Karthick, Sudip Das

arxiv:1911.08326 v3 · 2019-11-19 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YZXRQZZ5JLYXJYVV2JXH5XSTKY}

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	2026-07-05T01:23:55.722358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c66f18673d4af174e2b5d26e7ede53563abf115b63d6cb70f1515b23768315af

Aliases

arxiv: 1911.08326 · arxiv_version: 1911.08326v3 · doi: 10.48550/arxiv.1911.08326 · pith_short_12: YZXRQZZ5JLYX · pith_short_16: YZXRQZZ5JLYXJYVV · pith_short_8: YZXRQZZ5

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/YZXRQZZ5JLYXJYVV2JXH5XSTKY \
  | 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: c66f18673d4af174e2b5d26e7ede53563abf115b63d6cb70f1515b23768315af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "951b47daf4b0f32e068408f354a1ee8533185238c2932457671e811254c225bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2019-11-19T14:59:52Z",
    "title_canon_sha256": "4a618d1152f8e97327afe2bb5d6c3d5ade32e73a35e5c1e4646976a82487265f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.08326",
    "kind": "arxiv",
    "version": 3
  }
}