Pith Number

pith:R7SWK42I

pith:2013:R7SWK42IOSHMH6JKBP22KGKGOS

not attested not anchored not stored refs pending

A Simple Viscometer for High School and First Years Undergraduate Program Students: Theory and Experiment

Acep Purqon, Anggie Susilawati, Sidik Permana, Sparisoma Viridi, Wahyu Srigutomo

arxiv:1310.7196 v3 · 2013-10-27 · 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{R7SWK42IOSHMH6JKBP22KGKGOS}

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	2026-05-18T03:00:49.127710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fe5657348748ec3f92a0bf5a5194674bdd84fe2c0d87ec42cbb930d371c7d83

Aliases

arxiv: 1310.7196 · arxiv_version: 1310.7196v3 · doi: 10.48550/arxiv.1310.7196 · pith_short_12: R7SWK42IOSHM · pith_short_16: R7SWK42IOSHMH6JK · pith_short_8: R7SWK42I

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/R7SWK42IOSHMH6JKBP22KGKGOS \
  | 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: 8fe5657348748ec3f92a0bf5a5194674bdd84fe2c0d87ec42cbb930d371c7d83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "246416d6b49d9d5a5e034caeaf3abae80f67177ca1265aa6454fff8b0b172c64",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2013-10-27T14:00:19Z",
    "title_canon_sha256": "24e6fc60851f4e13594071b8f58ff51e86826f3f13d0e2b22df35cee34c432e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.7196",
    "kind": "arxiv",
    "version": 3
  }
}