Pith Number

pith:DQ2QIIMA

pith:2015:DQ2QIIMAP7IQ3PKZN2MBYWBGAY

not attested not anchored not stored refs pending

Comment on "Measurements of Newton's gravitational constant and the length of day"

M. Pitkin

arxiv:1505.06725 v2 · 2015-05-25 · gr-qc · 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{DQ2QIIMAP7IQ3PKZN2MBYWBGAY}

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	2026-05-18T01:34:22.656687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c350421807fd10dbd596e981c5826063fdd1fe18556e97d40572e65a433e004

Aliases

arxiv: 1505.06725 · arxiv_version: 1505.06725v2 · doi: 10.48550/arxiv.1505.06725 · pith_short_12: DQ2QIIMAP7IQ · pith_short_16: DQ2QIIMAP7IQ3PKZ · pith_short_8: DQ2QIIMA

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/DQ2QIIMAP7IQ3PKZN2MBYWBGAY \
  | 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: 1c350421807fd10dbd596e981c5826063fdd1fe18556e97d40572e65a433e004

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ff6a3e8c1a8aacdcbac45b44480800e78650e23a01c6d8a422831286a5530a1",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-05-25T19:47:12Z",
    "title_canon_sha256": "c26d93657696d1642a74f37c353fc4ceb26167d9223b94c4cd6b681a44915d0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06725",
    "kind": "arxiv",
    "version": 2
  }
}