Pith Number

pith:7MBLPHTU

pith:2010:7MBLPHTUVUKVT5EFRE2KAMEKRR

not attested not anchored not stored refs pending

Long-term degradation of optical devices on the moon

C. D. Hoyle, C. W. Stubbs, E. G. Adelberger, E. L. Michelsen, H. E. Swanson, J. B. R. Battat, Jr., R. J. McMillan, R. Samad, T. W. Murphy

arxiv:1003.0713 v1 · 2010-03-03 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7MBLPHTUVUKVT5EFRE2KAMEKRR}

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	2026-05-18T03:12:33.592684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb02b79e74ad1559f4858934a0308a8c66763b026a3a79ae74a7a1dd8dda4e55

Aliases

arxiv: 1003.0713 · arxiv_version: 1003.0713v1 · doi: 10.48550/arxiv.1003.0713 · pith_short_12: 7MBLPHTUVUKV · pith_short_16: 7MBLPHTUVUKVT5EF · pith_short_8: 7MBLPHTU

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/7MBLPHTUVUKVT5EFRE2KAMEKRR \
  | 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: fb02b79e74ad1559f4858934a0308a8c66763b026a3a79ae74a7a1dd8dda4e55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6489d0bb8fa548e08848b37a7d4d12177619dfb6b5b97645df0de2b04a191c3c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-03-03T03:11:49Z",
    "title_canon_sha256": "75575400006e5fe945de6db833a89fd116c74b5ce3250cca1cf8e46d4fe04373"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.0713",
    "kind": "arxiv",
    "version": 1
  }
}