Pith Number

pith:5HLYDFOY

pith:2016:5HLYDFOYVBAFWTLIZK5QSCCIS7

not attested not anchored not stored refs pending

A micromechanical proof-of-principle experiment for measuring the gravitational force of milligram masses

Hans Hepach, Jonas Schm\"ole, Markus Aspelmeyer, Mathias Dragosits

arxiv:1602.07539 v2 · 2016-02-24 · physics.ins-det · 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{5HLYDFOYVBAFWTLIZK5QSCCIS7}

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	2026-05-18T01:13:23.607280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9d78195d8a8405b4d68cabb09084897d36b4742749ac7892261290475f46425

Aliases

arxiv: 1602.07539 · arxiv_version: 1602.07539v2 · doi: 10.48550/arxiv.1602.07539 · pith_short_12: 5HLYDFOYVBAF · pith_short_16: 5HLYDFOYVBAFWTLI · pith_short_8: 5HLYDFOY

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/5HLYDFOYVBAFWTLIZK5QSCCIS7 \
  | 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: e9d78195d8a8405b4d68cabb09084897d36b4742749ac7892261290475f46425

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87b101912a1661781eddc569c0d21058bc245506f321d8d6469b6541cfac525f",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2016-02-24T14:57:13Z",
    "title_canon_sha256": "bea323dabed4ca5326b5480a9aa38f96a9010f96f6c25fba8987866049a38c78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.07539",
    "kind": "arxiv",
    "version": 2
  }
}