Pith Number

pith:ALXVX3MG

pith:2016:ALXVX3MGAXEDTEYCDKAAQHEXVS

not attested not anchored not stored refs pending

First successful satellite laser ranging with a fibre-based transmitter

Daniel Hampf, Fabian Sproll, Leif Humbert, Paul Wagner, Thomas Hasenohr, Wolfgang Riede

arxiv:1605.07429 v1 · 2016-05-24 · 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{ALXVX3MGAXEDTEYCDKAAQHEXVS}

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	2026-05-18T01:13:46.093303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02ef5bed8605c83993021a80081c97ac9c68a185ebc9c0c688d77eecdc6cfc98

Aliases

arxiv: 1605.07429 · arxiv_version: 1605.07429v1 · doi: 10.48550/arxiv.1605.07429 · pith_short_12: ALXVX3MGAXED · pith_short_16: ALXVX3MGAXEDTEYC · pith_short_8: ALXVX3MG

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/ALXVX3MGAXEDTEYCDKAAQHEXVS \
  | 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: 02ef5bed8605c83993021a80081c97ac9c68a185ebc9c0c688d77eecdc6cfc98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77b2b1bdc47549c97290803198293dc0840d2924102e79c521c1252239181a39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-05-24T12:53:48Z",
    "title_canon_sha256": "e0580c34b4a244fc49f07eca6e0f096e2239e5310d85d355ff0f06022a992126"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.07429",
    "kind": "arxiv",
    "version": 1
  }
}