Pith Number

pith:ASFIIFRA

pith:2017:ASFIIFRA2UUXJX4I5IW5JKPUC2

not attested not anchored not stored refs pending

Force and torque of a string on a pulley

Nivaldo A. Lemos, Thiago R. de Oliveira

arxiv:1706.10139 v1 · 2017-06-19 · physics.class-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{ASFIIFRA2UUXJX4I5IW5JKPUC2}

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	2026-05-18T00:18:19.966049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

048a841620d52974df88ea2dd4a9f416b9510aa6983af9c2e3004a1131a2a1cc

Aliases

arxiv: 1706.10139 · arxiv_version: 1706.10139v1 · doi: 10.48550/arxiv.1706.10139 · pith_short_12: ASFIIFRA2UUX · pith_short_16: ASFIIFRA2UUXJX4I · pith_short_8: ASFIIFRA

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/ASFIIFRA2UUXJX4I5IW5JKPUC2 \
  | 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: 048a841620d52974df88ea2dd4a9f416b9510aa6983af9c2e3004a1131a2a1cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a605cde9d3bd93a90595e2c7ef70f9ecd4fcbb5b65ccd1c5684fa218f4af6880",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2017-06-19T18:42:19Z",
    "title_canon_sha256": "b48bb0d6ab186bab924e07f4b3e6ea362614345aadc64a2578e6b0ea97ae0cb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.10139",
    "kind": "arxiv",
    "version": 1
  }
}