Pith Number

pith:BCJEW3EV

pith:2014:BCJEW3EV67QS265MGZY7VJ3446

not attested not anchored not stored refs pending

High-speed X-ray imaging of a ball impacting on loose sand

Detlef Lohse, Devaraj van der Meer, Rob Mudde, Tess Homan

arxiv:1412.2907 v1 · 2014-12-09 · 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{BCJEW3EV67QS265MGZY7VJ3446}

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	2026-07-05T06:31:45.553932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08924b6c95f7e12d7bac3671faa77ce7ac8b196c4528534ad779f73067003c6d

Aliases

arxiv: 1412.2907 · arxiv_version: 1412.2907v1 · doi: 10.48550/arxiv.1412.2907 · pith_short_12: BCJEW3EV67QS · pith_short_16: BCJEW3EV67QS265M · pith_short_8: BCJEW3EV

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/BCJEW3EV67QS265MGZY7VJ3446 \
  | 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: 08924b6c95f7e12d7bac3671faa77ce7ac8b196c4528534ad779f73067003c6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8792defb67da4067df8098b2175913c6d9f7e07b6b103aef1a96f1392f9b03da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2014-12-09T10:50:29Z",
    "title_canon_sha256": "ad2ce331a3c0b5f171993eb57b9cbc3aa25bf8a73b2133f7287ceb8a8ef6e80a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2907",
    "kind": "arxiv",
    "version": 1
  }
}