Pith Number

pith:BRQNGFX3

pith:2015:BRQNGFX3QXLNAJBFSSJINSMZBJ

not attested not anchored not stored refs pending

First Light with ALES: A 2-5 Micron Adaptive Optics Integral Field Spectrograph for the LBT

Andrew J. Skemer, Charles E. Woodward, Denis Defrere, Jarron Leisenring, John Wilson, Jordan Stone, Manny Montoya, Matt Nelson, Michael F. Skrutskie, Oli Durney, Philip Hinz, Vanessa Bailey

arxiv:1508.06290 v1 · 2015-08-25 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BRQNGFX3QXLNAJBFSSJINSMZBJ}

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	2026-05-18T01:22:36.788454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c60d316fb85d6d02425949286c9990a4f05744ba2afa65a97f49e90ed366fe3

Aliases

arxiv: 1508.06290 · arxiv_version: 1508.06290v1 · doi: 10.48550/arxiv.1508.06290 · pith_short_12: BRQNGFX3QXLN · pith_short_16: BRQNGFX3QXLNAJBF · pith_short_8: BRQNGFX3

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/BRQNGFX3QXLNAJBFSSJINSMZBJ \
  | 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: 0c60d316fb85d6d02425949286c9990a4f05744ba2afa65a97f49e90ed366fe3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fda46e4a0193a60ef183fdb899f510fd011c5610e8afee981e08bed2188dd190",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-08-25T20:11:12Z",
    "title_canon_sha256": "186cfc18d9d83a888e7254571ec032fd46077f0dd39b4318a689ff8a302f23a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06290",
    "kind": "arxiv",
    "version": 1
  }
}