Pith Number

pith:R2RKTZIQ

pith:2012:R2RKTZIQE76EQTANMOWDAKZEC2

not attested not anchored not stored refs pending

Precision Calibration via Artificial Light Sources Above the Atmophere

Alexander J. Conley, Christopher W. Stubbs, Justin E. Albert, Maxwell H. Fagin, Nikita A. Kuklev, Yorke J. Brown

arxiv:1207.1938 v1 · 2012-07-09 · 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{R2RKTZIQE76EQTANMOWDAKZEC2}

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	2026-05-18T03:51:26.557972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ea2a9e51027fc484c0d63ac302b2416a591a84436bcad3d0b28e17c5a3e3745

Aliases

arxiv: 1207.1938 · arxiv_version: 1207.1938v1 · doi: 10.48550/arxiv.1207.1938 · pith_short_12: R2RKTZIQE76E · pith_short_16: R2RKTZIQE76EQTAN · pith_short_8: R2RKTZIQ

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/R2RKTZIQE76EQTANMOWDAKZEC2 \
  | 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: 8ea2a9e51027fc484c0d63ac302b2416a591a84436bcad3d0b28e17c5a3e3745

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b2d80d169c1a8a5cd102fdb7bce1ea8ffa75f9716e1def4748d3733d0fbdf7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-07-09T04:00:09Z",
    "title_canon_sha256": "6a0a6ff1bb07741ea4fd69690aae804d3212700853a5ddd440fb113cabbd1bb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1938",
    "kind": "arxiv",
    "version": 1
  }
}