Pith Number

pith:ZEWNDR32

pith:2021:ZEWNDR32L4Z4EFUW2QQJLOSL3T

not attested not anchored not stored refs pending

Theory and simulation of shock waves: Entropyproduction and energy conversion

Bj{\o}rn Hafskjold, Dick Bedeaux, {\O}ivind Wilhelmsen, Signe Kjelstrup

arxiv:2102.09019 v1 · 2021-02-17 · 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{ZEWNDR32L4Z4EFUW2QQJLOSL3T}

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	2026-07-05T03:01:14.700305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c92cd1c77a5f33c21696d42095ba4bdce1b5cb710aee9a2211c6d9d195b35617

Aliases

arxiv: 2102.09019 · arxiv_version: 2102.09019v1 · doi: 10.48550/arxiv.2102.09019 · pith_short_12: ZEWNDR32L4Z4 · pith_short_16: ZEWNDR32L4Z4EFUW · pith_short_8: ZEWNDR32

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/ZEWNDR32L4Z4EFUW2QQJLOSL3T \
  | 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: c92cd1c77a5f33c21696d42095ba4bdce1b5cb710aee9a2211c6d9d195b35617

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17a90c964706c070b18d5fb07f642e5e73713eda320c0c87235d6a977ef66222",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2021-02-17T20:32:52Z",
    "title_canon_sha256": "feec3a46adf0227e04c0b3dd98d1748feffa7cddbb32d30abb77602d5d55f623"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.09019",
    "kind": "arxiv",
    "version": 1
  }
}