Pith Number

pith:7ORFUGKJ

pith:2016:7ORFUGKJZSJZNXNMMUUU3UAPAP

not attested not anchored not stored refs pending

Permanent Underdetermination from Approximate Empirical Equivalence in Field Theory: Massless and Massive Scalar Gravity, Neutrino, Electromagnetic, Yang-Mills and Gravitational Theories

J. Brian Pitts

arxiv:1606.06970 v1 · 2016-06-21 · physics.hist-ph · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ORFUGKJZSJZNXNMMUUU3UAPAP}

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	2026-05-18T01:12:00.810119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fba25a1949cc9396ddac65294dd00f03f1864576d0170c110efe8b8ec10e22b6

Aliases

arxiv: 1606.06970 · arxiv_version: 1606.06970v1 · doi: 10.48550/arxiv.1606.06970 · pith_short_12: 7ORFUGKJZSJZ · pith_short_16: 7ORFUGKJZSJZNXNM · pith_short_8: 7ORFUGKJ

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/7ORFUGKJZSJZNXNMMUUU3UAPAP \
  | 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: fba25a1949cc9396ddac65294dd00f03f1864576d0170c110efe8b8ec10e22b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc1cf7e1e17ba2bd71e0ac2c2c05b354acaf0a48bf85a8081a0cffe0f208b903",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2016-06-21T06:38:44Z",
    "title_canon_sha256": "2613389ba183522a7cfbc903ea1c1740a51fafb190dee46cdbf1c1cf1ed096d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.06970",
    "kind": "arxiv",
    "version": 1
  }
}