pith. sign in
Pith Number

pith:MESD2HP7

pith:2018:MESD2HP7LZV23BGTOSJHVVAQ4U
not attested not anchored not stored refs pending

Momentum balance of a laminar flow over a bed of particles

B. Vowinckel, E. Biegert, E. Meiburg

arxiv:1806.00087 v1 · 2018-05-31 · physics.flu-dyn

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{MESD2HP7LZV23BGTOSJHVVAQ4U}

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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 2026-05-18T00:14:27.959843Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

61243d1dff5e6bad84d374927ad410e534fc6c4131c5f7a39c2699f6462588d2

Aliases

arxiv: 1806.00087 · arxiv_version: 1806.00087v1 · doi: 10.48550/arxiv.1806.00087 · pith_short_12: MESD2HP7LZV2 · pith_short_16: MESD2HP7LZV23BGT · pith_short_8: MESD2HP7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/MESD2HP7LZV23BGTOSJHVVAQ4U \
  | 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: 61243d1dff5e6bad84d374927ad410e534fc6c4131c5f7a39c2699f6462588d2
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7d155e67c04968f75fa02f806aaf7cfd0dd531190670cea8d5177d031994a937",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-05-31T20:31:01Z",
    "title_canon_sha256": "f50ef1392cb7578827827ed2275a78332952d7cb4f02701c81909356ce272e36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.00087",
    "kind": "arxiv",
    "version": 1
  }
}