Pith Number

pith:MQAZAGMT

pith:2017:MQAZAGMTEEUMKNHPY2YOFXHVWD

not attested not anchored not stored refs pending

Incorporation of Velocity-dependent Restitution Coefficient and Particle Surface Friction into Kinetic Theory for Modeling Granular Flow Cooling

Yifei Duan, Zhi-Gang Feng

arxiv:1712.02946 v1 · 2017-12-08 · 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{MQAZAGMTEEUMKNHPY2YOFXHVWD}

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	2026-05-18T00:27:24.393057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64019019932128c534efc6b0e2dcf5b0e5ab83e4e283cac0f21a8e1df688dcf5

Aliases

arxiv: 1712.02946 · arxiv_version: 1712.02946v1 · doi: 10.48550/arxiv.1712.02946 · pith_short_12: MQAZAGMTEEUM · pith_short_16: MQAZAGMTEEUMKNHP · pith_short_8: MQAZAGMT

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/MQAZAGMTEEUMKNHPY2YOFXHVWD \
  | 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: 64019019932128c534efc6b0e2dcf5b0e5ab83e4e283cac0f21a8e1df688dcf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbd0e74ff26ea69f67d77244dcfb7a07948d082613c41501e36d7a77931f27a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2017-12-08T05:46:41Z",
    "title_canon_sha256": "cc571905b819a4d4ded63a5ffb89399faa9cbc5389e9796821832666022e0033"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.02946",
    "kind": "arxiv",
    "version": 1
  }
}