Pith Number

pith:K2JFS2QX

pith:2007:K2JFS2QXTD5KZPYOH6QTVRHVMY

not attested not anchored not stored refs pending

On the mechanical quality factors of cryogenic test masses from fused silica and crystalline quartz

Andreas T\"unnermann, Anja Schroeter, Christian Schwarz, Iain Martin, Karsten Danzmann, Matthias Th\"urk, Paul Seidel, Ralf Neubert, Roman Schnabel, Ronny Nawrodt, Sheila Rowan, Stuart Reid, Torsten Koettig, Wolfgang Vodel

arxiv:0709.4359 v1 · 2007-09-27 · 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{K2JFS2QXTD5KZPYOH6QTVRHVMY}

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	2026-07-04T15:04:32.171469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5692596a1798faacbf0e3fa13ac4f5660d1ee7711655fdb259bef6431b390067

Aliases

arxiv: 0709.4359 · arxiv_version: 0709.4359v1 · doi: 10.48550/arxiv.0709.4359 · pith_short_12: K2JFS2QXTD5K · pith_short_16: K2JFS2QXTD5KZPYO · pith_short_8: K2JFS2QX

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/K2JFS2QXTD5KZPYOH6QTVRHVMY \
  | 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: 5692596a1798faacbf0e3fa13ac4f5660d1ee7711655fdb259bef6431b390067

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1aacd460ce81577f7ac61a8ca23a059c19c3198f5227e07c5edd962574afce38",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-09-27T11:07:19Z",
    "title_canon_sha256": "30b945e688795be05a3f3ca5aa260c39aac686b1e09a2381aa0129b0bb661006"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.4359",
    "kind": "arxiv",
    "version": 1
  }
}