Pith Number

pith:I3SMX4SO

pith:2005:I3SMX4SOOGKGNJOE6HBXVOFP23

not attested not anchored not stored refs pending

Frequency and surface dependence of the mechanical loss in fused silica

(2) Syracuse University, (3) California Institute of Technology, (4) Massachusetts Institute of Technology, (5) LIGO Livingston Observatory, (6) NASA/Goddard Space Flight Center), Alexander Ageev (2), Andri M. Gretarsson (5), Dan Busby (3), Gregory M. Harry (4), Kenji Numata (6), Phil Willems (3) ((1) Hobart, Steven D. Penn (1), William Smith Colleges

arxiv:gr-qc/0507097 v1 · 2005-07-23 · 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{I3SMX4SOOGKGNJOE6HBXVOFP23}

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	2026-05-18T01:39:20.477612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46e4cbf24e719466a5c4f1c37ab8afd6cd330368dd9c4b42d8ce2bbe47fc1fd2

Aliases

arxiv: gr-qc/0507097 · arxiv_version: gr-qc/0507097v1 · doi: 10.48550/arxiv.gr-qc/0507097 · pith_short_12: I3SMX4SOOGKG · pith_short_16: I3SMX4SOOGKGNJOE · pith_short_8: I3SMX4SO

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/I3SMX4SOOGKGNJOE6HBXVOFP23 \
  | 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: 46e4cbf24e719466a5c4f1c37ab8afd6cd330368dd9c4b42d8ce2bbe47fc1fd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36748dfeb1153f63e3b7549f14b6c38fea8a74cd5a87202d2956d98860d33699",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2005-07-23T03:04:23Z",
    "title_canon_sha256": "c50ad7bf39fa15e63ff14ef0acf47883882f20e4599d492b34d824f2c454d2d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0507097",
    "kind": "arxiv",
    "version": 1
  }
}