Pith Number

pith:NGFLR3TH

pith:2014:NGFLR3THCCGPPXJR4XWKGAVOV3

not attested not anchored not stored refs pending

Testing quantum gravity by nanodiamond interferometry with nitrogen-vacancy centers

Alex Retzker, Andreas Albrecht, Martin B. Plenio

arxiv:1403.6038 v2 · 2014-03-24 · quant-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{NGFLR3THCCGPPXJR4XWKGAVOV3}

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	2026-05-18T02:40:54.001596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

698ab8ee67108cf7dd31e5eca302aeaef22c8f8ec5021633b48addcb31793a5d

Aliases

arxiv: 1403.6038 · arxiv_version: 1403.6038v2 · doi: 10.48550/arxiv.1403.6038 · pith_short_12: NGFLR3THCCGP · pith_short_16: NGFLR3THCCGPPXJR · pith_short_8: NGFLR3TH

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/NGFLR3THCCGPPXJR4XWKGAVOV3 \
  | 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: 698ab8ee67108cf7dd31e5eca302aeaef22c8f8ec5021633b48addcb31793a5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf31cf8ec437ff09af24f18507a87b6c920c7b07ebad1363bde8ae52c039a4d7",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-03-24T16:58:03Z",
    "title_canon_sha256": "109c04abbeddae8e55f30fc37fb53c5d9d16c70d9939e429f069798922f0d3fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6038",
    "kind": "arxiv",
    "version": 2
  }
}