Pith Number

pith:G5X4O23W

pith:2011:G5X4O23W2OCENDWPBS3ZIVYHW4

not attested not anchored not stored refs pending

Investigating viscous damping using a webcam

Muhammad Sabieh Anwar, Sohaib Shamim, Wasif Zia

arxiv:1106.1823 v1 · 2011-06-09 · physics.ed-ph · physics.flu-dyn · physics.pop-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G5X4O23W2OCENDWPBS3ZIVYHW4}

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	2026-05-18T02:01:40.348131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

376fc76b76d384468ecf0cb7945707b71258b0685311c422c9c2f7b07f037774

Aliases

arxiv: 1106.1823 · arxiv_version: 1106.1823v1 · doi: 10.48550/arxiv.1106.1823 · pith_short_12: G5X4O23W2OCE · pith_short_16: G5X4O23W2OCENDWP · pith_short_8: G5X4O23W

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/G5X4O23W2OCENDWPBS3ZIVYHW4 \
  | 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: 376fc76b76d384468ecf0cb7945707b71258b0685311c422c9c2f7b07f037774

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa4dc6eeb11756ca56bb619fe63f2d910eef2aa743d6719f288161b346145636",
    "cross_cats_sorted": [
      "physics.flu-dyn",
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2011-06-09T13:59:06Z",
    "title_canon_sha256": "dbc2d0ebe9009ba788dd7b48ef261932633f217269e899d35421d365176f4f8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1823",
    "kind": "arxiv",
    "version": 1
  }
}