Pith Number

pith:ZECYAHEX

pith:2001:ZECYAHEXFK43WIZMDWBG37TVFS

not attested not anchored not stored refs pending

Performance of a 1200m long suspended Fabry-Perot cavity

A. Freise, B. Willke, D. I. Robertson, G. Heinzel, H. Grote, H. Lueck, H. Ward, J. Hough, K. A. Strain, K. Danzmann, M. M. Casey, S. Gossler

arxiv:gr-qc/0110020 v2 · 2001-10-02 · 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{ZECYAHEXFK43WIZMDWBG37TVFS}

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	2026-07-04T16:26:58.185793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c905801c972ab9bb232c1d826dfe752cbb0a1f9b2b52f6e9f6d2df7bf30d10ad

Aliases

arxiv: gr-qc/0110020 · arxiv_version: gr-qc/0110020v2 · doi: 10.48550/arxiv.gr-qc/0110020 · pith_short_12: ZECYAHEXFK43 · pith_short_16: ZECYAHEXFK43WIZM · pith_short_8: ZECYAHEX

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/ZECYAHEXFK43WIZMDWBG37TVFS \
  | 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: c905801c972ab9bb232c1d826dfe752cbb0a1f9b2b52f6e9f6d2df7bf30d10ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60123817065311a472f68bc82e63448ed06843e10b99e3d7930dc6663de097b7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-10-02T14:55:02Z",
    "title_canon_sha256": "3178911258c02746f4aac33dd4c61937d6c74908c1766d242cff70b68a833d2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0110020",
    "kind": "arxiv",
    "version": 2
  }
}