Pith Number

pith:VWQQSHW3

pith:2014:VWQQSHW3YKIEEZTYIYNFR3A72P

not attested not anchored not stored refs pending

Investigating the origin of time with trapped ions

Andr\'es F. Var\'on, Christof Wunderlich, Philippe Spindel, Serge Massar

arxiv:1410.6683 v1 · 2014-10-24 · gr-qc · quant-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{VWQQSHW3YKIEEZTYIYNFR3A72P}

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	2026-05-18T01:31:46.295814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ada1091edbc290426678461a58ec1fd3fc691b3b2ee47d89a3537e955382791a

Aliases

arxiv: 1410.6683 · arxiv_version: 1410.6683v1 · doi: 10.48550/arxiv.1410.6683 · pith_short_12: VWQQSHW3YKIE · pith_short_16: VWQQSHW3YKIEEZTY · pith_short_8: VWQQSHW3

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/VWQQSHW3YKIEEZTYIYNFR3A72P \
  | 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: ada1091edbc290426678461a58ec1fd3fc691b3b2ee47d89a3537e955382791a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7eef9b8402459108456f26c670fe795d2b469c3a11671117d2190dc6660ea3b2",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-10-24T13:56:23Z",
    "title_canon_sha256": "bc801c8e2c03d8c62c285fdd03bea1724870c98e2ae6b4173018e31e2b176775"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.6683",
    "kind": "arxiv",
    "version": 1
  }
}