Pith Number

pith:E6UOTRS7

pith:2017:E6UOTRS72JAJRAQL6MRVNRBH5Z

not attested not anchored not stored refs pending

Atwood's machine with a massive string

Nivaldo A. Lemos

arxiv:1710.01263 v1 · 2017-10-01 · physics.gen-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{E6UOTRS72JAJRAQL6MRVNRBH5Z}

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	2026-05-18T00:33:44.797636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27a8e9c65fd24098820bf32356c427ee5103ef6816d793c1cb76228b8fd94865

Aliases

arxiv: 1710.01263 · arxiv_version: 1710.01263v1 · doi: 10.48550/arxiv.1710.01263 · pith_short_12: E6UOTRS72JAJ · pith_short_16: E6UOTRS72JAJRAQL · pith_short_8: E6UOTRS7

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/E6UOTRS72JAJRAQL6MRVNRBH5Z \
  | 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: 27a8e9c65fd24098820bf32356c427ee5103ef6816d793c1cb76228b8fd94865

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f527e7d0d9e1a17df27a80b55b03ccc06cd96b43654f8111b6e25bdba4a16699",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2017-10-01T22:42:27Z",
    "title_canon_sha256": "7391b10544a2aebc0b63b0dc47a433b532023dbedc80b540c69f06f2ed971895"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.01263",
    "kind": "arxiv",
    "version": 1
  }
}