Pith Number

pith:W2WB74YM

pith:2013:W2WB74YM2WPYPIHWNRSU3M4PJS

not attested not anchored not stored refs pending

Newton's Old Bucket Experiment and the Modern Liquid Telescope

Aswin Sekhar

arxiv:1305.4821 v1 · 2013-05-21 · physics.hist-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{W2WB74YM2WPYPIHWNRSU3M4PJS}

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	2026-05-18T03:25:15.195504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6ac1ff30cd59f87a0f66c654db38f4caa02f175014da386334b2ddd52046b6a

Aliases

arxiv: 1305.4821 · arxiv_version: 1305.4821v1 · doi: 10.48550/arxiv.1305.4821 · pith_short_12: W2WB74YM2WPY · pith_short_16: W2WB74YM2WPYPIHW · pith_short_8: W2WB74YM

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/W2WB74YM2WPYPIHWNRSU3M4PJS \
  | 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: b6ac1ff30cd59f87a0f66c654db38f4caa02f175014da386334b2ddd52046b6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f22462df3935843ca962fcedc4d32eb57602b2b04c25639e3dc587632af17618",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2013-05-21T13:59:59Z",
    "title_canon_sha256": "067d29bf2b58b11d564361e7a8464bee248e5aef3d1a78830291495594fa6a65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4821",
    "kind": "arxiv",
    "version": 1
  }
}