Pith Number

pith:2SCSJYL6

pith:2010:2SCSJYL6IV7EWZ6TATFQWHTLOE

not attested not anchored not stored refs pending

Is the electrostatic force between a point charge and a neutral metallic object always attractive?

Michael Levin, Steven G. Johnson

arxiv:1007.2175 v1 · 2010-07-13 · 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{2SCSJYL6IV7EWZ6TATFQWHTLOE}

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	2026-05-18T04:14:46.186523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d48524e17e457e4b67d304cb0b1e6b7118fb16db998ddaa442c2ce37b9b8f82b

Aliases

arxiv: 1007.2175 · arxiv_version: 1007.2175v1 · doi: 10.48550/arxiv.1007.2175 · pith_short_12: 2SCSJYL6IV7E · pith_short_16: 2SCSJYL6IV7EWZ6T · pith_short_8: 2SCSJYL6

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/2SCSJYL6IV7EWZ6TATFQWHTLOE \
  | 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: d48524e17e457e4b67d304cb0b1e6b7118fb16db998ddaa442c2ce37b9b8f82b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1186035ebe07d738d3a4b9f55170592d3c6ecd15ab984767f4c3756d3805e274",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2010-07-13T19:11:12Z",
    "title_canon_sha256": "727285ccd96b4955b72013cf6929ab1167c779dc26dba0962ee88674f97850d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.2175",
    "kind": "arxiv",
    "version": 1
  }
}