Pith Number

pith:NMWWJ2RA

pith:2011:NMWWJ2RAIBKN3XB2SB2TDCKKUY

not attested not anchored not stored refs pending

Gedanken experiments with Casimir forces, vacuum energy, and gravity

G. Jordan Maclay

arxiv:1107.0764 v1 · 2011-07-05 · 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{NMWWJ2RAIBKN3XB2SB2TDCKKUY}

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	2026-05-18T00:14:16.934909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b2d64ea204054dddc3a907531894aa61359a1174fd6981e41a68e62afa4793e

Aliases

arxiv: 1107.0764 · arxiv_version: 1107.0764v1 · doi: 10.48550/arxiv.1107.0764 · pith_short_12: NMWWJ2RAIBKN · pith_short_16: NMWWJ2RAIBKN3XB2 · pith_short_8: NMWWJ2RA

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/NMWWJ2RAIBKN3XB2SB2TDCKKUY \
  | 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: 6b2d64ea204054dddc3a907531894aa61359a1174fd6981e41a68e62afa4793e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b25893509e66bc31c86330c3299e258102309f9776165fbfb3b7a49bfc6f6f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2011-07-05T01:48:09Z",
    "title_canon_sha256": "64ac75eb729a381b0ade545917a999882ac58f8c25a37998e4066a2d559e29d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0764",
    "kind": "arxiv",
    "version": 1
  }
}