Pith Number

pith:PDTHBQ3Q

pith:2018:PDTHBQ3QH6C7U5LLL2LVYTNPNL

not attested not anchored not stored refs pending

SAT.STFR.FRQ (UWA) Detail Design Report (MID)

David Gozzard, Sascha Schediwy

arxiv:1805.08414 v2 · 2018-05-22 · 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{PDTHBQ3QH6C7U5LLL2LVYTNPNL}

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	2026-05-18T00:09:35.569798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78e670c3703f85fa756b5e975c4daf6acfb1ada98418ee4d4b5168310e279f41

Aliases

arxiv: 1805.08414 · arxiv_version: 1805.08414v2 · doi: 10.48550/arxiv.1805.08414 · pith_short_12: PDTHBQ3QH6C7 · pith_short_16: PDTHBQ3QH6C7U5LL · pith_short_8: PDTHBQ3Q

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/PDTHBQ3QH6C7U5LLL2LVYTNPNL \
  | 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: 78e670c3703f85fa756b5e975c4daf6acfb1ada98418ee4d4b5168310e279f41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67e604c1b8d9f2d7e8d5947699fb01986b07d60d2a650c96f93426aff335e61a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-05-22T06:00:16Z",
    "title_canon_sha256": "4c7673067e1b02b09974f345d2fa62e2924ed93b3a24dd7b52c32b7704b1a22d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08414",
    "kind": "arxiv",
    "version": 2
  }
}