Pith Number

pith:IX7GUALG

pith:2017:IX7GUALGVIRS66LDP3EYFWCGEE

not attested not anchored not stored refs pending

Microwave-clock timescale with instability on order of $10^{-17}$

James Hanssen, Jennifer Taylor, Steven Peil, Thomas B. Swanson

arxiv:1704.01506 v1 · 2017-04-05 · physics.atom-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{IX7GUALGVIRS66LDP3EYFWCGEE}

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	2026-05-18T00:46:56.281573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45fe6a0166aa232f79637ec982d846213b1c4c7915f26cd56a5325db25bdfd28

Aliases

arxiv: 1704.01506 · arxiv_version: 1704.01506v1 · doi: 10.48550/arxiv.1704.01506 · pith_short_12: IX7GUALGVIRS · pith_short_16: IX7GUALGVIRS66LD · pith_short_8: IX7GUALG

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/IX7GUALGVIRS66LDP3EYFWCGEE \
  | 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: 45fe6a0166aa232f79637ec982d846213b1c4c7915f26cd56a5325db25bdfd28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50d41091cf11175c8298907d186f46a69e4cd2ce6e1ab6cb4d7ab5672afb2fb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2017-04-05T16:16:39Z",
    "title_canon_sha256": "e3c255e7db8790a4bf6046b8fd496573417470fb874a5b70c903e9c9854f16fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01506",
    "kind": "arxiv",
    "version": 1
  }
}