Pith Number

pith:EC4LUAWE

pith:2015:EC4LUAWEHPD72DP7XJOZ3SWEKO

not attested not anchored not stored refs pending

Quantum Test of the Equivalence Principle and Space-Time aboard the International Space Station

Holger Mueller, Jason Williams, Nan Yu, Sheng-wey Chiow

arxiv:1510.07780 v1 · 2015-10-27 · physics.atom-ph · gr-qc · physics.space-ph · 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{EC4LUAWEHPD72DP7XJOZ3SWEKO}

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	2026-05-18T00:55:39.427861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20b8ba02c43bc7fd0dffba5d9dcac453a5759fc60af8819890f2a5f3d1cb652c

Aliases

arxiv: 1510.07780 · arxiv_version: 1510.07780v1 · doi: 10.48550/arxiv.1510.07780 · pith_short_12: EC4LUAWEHPD7 · pith_short_16: EC4LUAWEHPD72DP7 · pith_short_8: EC4LUAWE

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/EC4LUAWEHPD72DP7XJOZ3SWEKO \
  | 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: 20b8ba02c43bc7fd0dffba5d9dcac453a5759fc60af8819890f2a5f3d1cb652c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6de26204fe72ec1699f39f36d7ec4b49444115c055bbafe8473da932d8c714bd",
    "cross_cats_sorted": [
      "gr-qc",
      "physics.space-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2015-10-27T06:28:50Z",
    "title_canon_sha256": "888328c69a1e8448e9e9c01eb8346c8dda829f3aa4ea87198d919f72935604d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07780",
    "kind": "arxiv",
    "version": 1
  }
}