Pith Number

pith:QWIMKLJA

pith:2016:QWIMKLJAQOD7WWMCRWDY6UOS5T

not attested not anchored not stored refs pending

Axion and dilaton + metric emerge from local and linear electrodynamics

Columbia, Friedrich W. Hehl (Cologne, Missouri)

arxiv:1601.00320 v2 · 2016-01-03 · gr-qc · hep-th · 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{QWIMKLJAQOD7WWMCRWDY6UOS5T}

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	2026-05-18T01:18:13.914423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8590c52d208387fb59828d878f51d2ecc7556210e223b77522081eb6c9d969e2

Aliases

arxiv: 1601.00320 · arxiv_version: 1601.00320v2 · doi: 10.48550/arxiv.1601.00320 · pith_short_12: QWIMKLJAQOD7 · pith_short_16: QWIMKLJAQOD7WWMC · pith_short_8: QWIMKLJA

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/QWIMKLJAQOD7WWMCRWDY6UOS5T \
  | 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: 8590c52d208387fb59828d878f51d2ecc7556210e223b77522081eb6c9d969e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d37bf8d2ea9433d81a83347eec61feac8029039212f38c0263d375a4a6b455c",
    "cross_cats_sorted": [
      "hep-th",
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-01-03T18:22:24Z",
    "title_canon_sha256": "281adf4b90bea153afe25b3e6c42f38606fff04362e7bb111210ace5f778aaf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.00320",
    "kind": "arxiv",
    "version": 2
  }
}