Pith Number

pith:2LUCFCWB

pith:2014:2LUCFCWBHZTXNW5N6PQCMN6ZUZ

not attested not anchored not stored refs pending

The Design and Operation of The Keck Observatory Archive

Anastasia C. Laity, Christopher R. Gelino, G. Bruce Berriman, Hien D. Tran, Jeffrey A. Mader, Jennifer Holt, Melanie Swain, Mihseh Kong, Robert W. Goodrich

arxiv:1408.0835 v1 · 2014-08-04 · 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{2LUCFCWBHZTXNW5N6PQCMN6ZUZ}

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	2026-05-18T01:42:23.855120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2e8228ac13e6776dbadf3e02637d9a6474df6cee1fd93462d02fa0ef9fb5c6e

Aliases

arxiv: 1408.0835 · arxiv_version: 1408.0835v1 · doi: 10.48550/arxiv.1408.0835 · pith_short_12: 2LUCFCWBHZTX · pith_short_16: 2LUCFCWBHZTXNW5N · pith_short_8: 2LUCFCWB

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/2LUCFCWBHZTXNW5N6PQCMN6ZUZ \
  | 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: d2e8228ac13e6776dbadf3e02637d9a6474df6cee1fd93462d02fa0ef9fb5c6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4a6ec53a2b87c64788a07df2cae5825101c6a849fa593dffd7e4df74690c0cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-08-04T23:08:11Z",
    "title_canon_sha256": "c465769c4ba3a2979727ea071f58949053ddc33b69aa1780e2feff5a07d4066b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0835",
    "kind": "arxiv",
    "version": 1
  }
}