Pith Number

pith:TXLYM5LG

pith:2018:TXLYM5LGPXEJPDSQ5OOQVPNOEC

not attested not anchored not stored refs pending

Ground Layer Adaptive Optics for the W. M. Keck Observatory: Feasibility Study

C. L. Martin, C. Max, C. Steidel, D. Gavel, J. R. Lu, K. Bundy, K. Westfall, L. Wang, M. Chun, M. Kassis, O. Lai, P. Wizinowich, R. Dekany, S. M. Ammons, T. Do

arxiv:1807.08832 v1 · 2018-07-23 · 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{TXLYM5LGPXEJPDSQ5OOQVPNOEC}

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	2026-05-18T00:09:57.691436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dd78675667dc8978e50eb9d0abdae20af6babf723599c03d965f5fe9850f327

Aliases

arxiv: 1807.08832 · arxiv_version: 1807.08832v1 · doi: 10.48550/arxiv.1807.08832 · pith_short_12: TXLYM5LGPXEJ · pith_short_16: TXLYM5LGPXEJPDSQ · pith_short_8: TXLYM5LG

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/TXLYM5LGPXEJPDSQ5OOQVPNOEC \
  | 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: 9dd78675667dc8978e50eb9d0abdae20af6babf723599c03d965f5fe9850f327

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bb92b0104fa5fbce1fb098ded55abff47bca7aad316e919db275b5a6851aec2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-07-23T21:13:57Z",
    "title_canon_sha256": "1e9f0c248a9a4045d889275f92ebc0c9f8a33bb7c3ddce5126d1fd8a82c807b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08832",
    "kind": "arxiv",
    "version": 1
  }
}