Pith Number

pith:YPQZAO42

pith:2014:YPQZAO42SN64S5KBY6ICWYJ2EJ

not attested not anchored not stored refs pending

Nonlinear Force Propagation during Granular Impact

Abram H. Clark, Alec J. Petersen, Lou Kondic, R. P. Behringer

arxiv:1408.1971 v2 · 2014-08-08 · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YPQZAO42SN64S5KBY6ICWYJ2EJ}

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	2026-05-18T02:18:31.524376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3e1903b9a937dc97541c7902b613a2253507ba3668a5a4b671fee7c103ddd35

Aliases

arxiv: 1408.1971 · arxiv_version: 1408.1971v2 · doi: 10.48550/arxiv.1408.1971 · pith_short_12: YPQZAO42SN64 · pith_short_16: YPQZAO42SN64S5KB · pith_short_8: YPQZAO42

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/YPQZAO42SN64S5KBY6ICWYJ2EJ \
  | 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: c3e1903b9a937dc97541c7902b613a2253507ba3668a5a4b671fee7c103ddd35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df817f6807cac8a9cd3e3c87ee4cc952260ef19325bb06d1d7f0f55f280557bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2014-08-08T20:27:24Z",
    "title_canon_sha256": "3b9b9c341dfc893e24a3cf790ebe7e15255811e5449349b726b4c25307598ba5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.1971",
    "kind": "arxiv",
    "version": 2
  }
}