Pith Number

pith:SJVR6SC5

pith:2019:SJVR6SC5PPYIMAYFM5GYPYVGDR

not attested not anchored not stored refs pending

Image theory for a sphere with negative permittivity

Matt Majic

arxiv:1901.05957 v2 · 2019-01-17 · physics.comp-ph · 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{SJVR6SC5PPYIMAYFM5GYPYVGDR}

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	2026-05-17T23:40:55.525050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

926b1f485d7bf0860305674d87e2a61c5ca0a85f4e532a514b735b76dbf1d53e

Aliases

arxiv: 1901.05957 · arxiv_version: 1901.05957v2 · doi: 10.48550/arxiv.1901.05957 · pith_short_12: SJVR6SC5PPYI · pith_short_16: SJVR6SC5PPYIMAYF · pith_short_8: SJVR6SC5

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/SJVR6SC5PPYIMAYFM5GYPYVGDR \
  | 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: 926b1f485d7bf0860305674d87e2a61c5ca0a85f4e532a514b735b76dbf1d53e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4d7b3fd8dc7134301f7adea4746ee7965f163b291de33a3e05cc878025b5c2c",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-01-17T03:45:28Z",
    "title_canon_sha256": "b25c0052ed7e58bf2a4c29c664f7812b1bcd8237197e85cfc7fac0c9f589cc55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05957",
    "kind": "arxiv",
    "version": 2
  }
}