Pith Number

pith:5E2FPPAT

pith:2026:5E2FPPATCLZ25K3FXOPO767J4G

not attested not anchored not stored refs pending

Eclipses by Artificial Satellites to Measure the Angular Sizes of Stars

Albert Wai Kit Lau, George F. Smoot, Leo W.H. Fung, Richard Massey

arxiv:2608.11161 v1 · 2026-08-11 · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5E2FPPATCLZ25K3FXOPO767J4G}

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	2026-08-12T01:24:43.732452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e93457bc1312f3aeab65bb9eeffbe9e19e9dff32e9e1158e6e10b14000b8d22e

Aliases

arxiv: 2608.11161 · arxiv_version: 2608.11161v1 · doi: 10.48550/arxiv.2608.11161 · pith_short_12: 5E2FPPATCLZ2 · pith_short_16: 5E2FPPATCLZ25K3F · pith_short_8: 5E2FPPAT

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/5E2FPPATCLZ25K3FXOPO767J4G \
  | 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: e93457bc1312f3aeab65bb9eeffbe9e19e9dff32e9e1158e6e10b14000b8d22e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dda52fa7d3f5d11594f2c5bec64c16f23e8af91043ae6fd618a68759baab0c0e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-08-11T17:19:31Z",
    "title_canon_sha256": "adb4bff24a5930799b65718721695af50fac1bb19222b0cc32dfa1e367cd0213"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.11161",
    "kind": "arxiv",
    "version": 1
  }
}