Pith Number

pith:T54G5IBS

pith:2017:T54G5IBSSWT7G6W52S4Z4MX3X6

not attested not anchored not stored refs pending

Novel Use of Photovoltaics for Backup Spacecraft Laser Communication System

Jekan Thangavelautham, Xinchen Guo

arxiv:1702.00818 v1 · 2017-02-03 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T54G5IBSSWT7G6W52S4Z4MX3X6}

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	2026-05-18T00:51:29.701145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f786ea03295a7f37addd4b99e32fbbf9eaf51a5e5cfd5fef30c806637ed0bc1

Aliases

arxiv: 1702.00818 · arxiv_version: 1702.00818v1 · doi: 10.48550/arxiv.1702.00818 · pith_short_12: T54G5IBSSWT7 · pith_short_16: T54G5IBSSWT7G6W5 · pith_short_8: T54G5IBS

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/T54G5IBSSWT7G6W52S4Z4MX3X6 \
  | 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: 9f786ea03295a7f37addd4b99e32fbbf9eaf51a5e5cfd5fef30c806637ed0bc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6bb344a97dc81211154dd1147c80d75d117c04691cd42fb93127fbb8e0f72c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-02-03T06:22:07Z",
    "title_canon_sha256": "59ae7a2e8e7471aca2a6f4510a89160a58766da8839f2400f86e2f3640833348"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.00818",
    "kind": "arxiv",
    "version": 1
  }
}