Pith Number

pith:UNJQYBS5

pith:2013:UNJQYBS5FGJJBHU7UNJ35DKYS3

not attested not anchored not stored refs pending

Testing local position and fundamental constant invariance due to periodic gravitation and boost using long-term comparison of the SYRTE atomic fountains and H-masers

A. Clairon, D. Rovera, G. Santarelli, J. Gu\'ena, J.J. McFerran, M. Abgrall, M. E. Tobar, Ph. Laurent, P. L. Stanwix, P. Rosenbusch, S. Bize

arxiv:1306.1571 v1 · 2013-06-06 · 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{UNJQYBS5FGJJBHU7UNJ35DKYS3}

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	2026-05-18T01:49:31.779151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3530c065d2992909e9fa353be8d5896e4ddd02eaf0998de25af056266b214e4

Aliases

arxiv: 1306.1571 · arxiv_version: 1306.1571v1 · doi: 10.48550/arxiv.1306.1571 · pith_short_12: UNJQYBS5FGJJ · pith_short_16: UNJQYBS5FGJJBHU7 · pith_short_8: UNJQYBS5

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/UNJQYBS5FGJJBHU7UNJ35DKYS3 \
  | 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: a3530c065d2992909e9fa353be8d5896e4ddd02eaf0998de25af056266b214e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a49e2be6af54addb13737b5efd07aea0143d88073cf80f7bfbb823feb191353",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-06-06T23:11:07Z",
    "title_canon_sha256": "57fa33b2da63200c1f974ea5f42b6bbbd1792ceac304ac5a1bf8ec3145d44386"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1571",
    "kind": "arxiv",
    "version": 1
  }
}