Pith Number

pith:KLGE6PTT

pith:2018:KLGE6PTTJDLUQ5ARD5MNE653HD

not attested not anchored not stored refs pending

Dark Energy Spectroscopic Instrument (DESI) Fiber Positioner Production

Curtis Weaverdyck, Daniela Leitner, Gregory Tarl\'e, Henry Heetderks, Jean-Paul Kneib, Jessica Aguilar, Jon Ameel, Joseph Silber, Kai Zhang, Michael Schubnell, Robert Besuner, Todd Claybaugh

arxiv:1807.09907 v1 · 2018-07-26 · 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{KLGE6PTTJDLUQ5ARD5MNE653HD}

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	2026-05-18T00:09:46.170652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52cc4f3e7348d74874111f58d27bbb38e0811e4dda1f61be24d612da67d6733f

Aliases

arxiv: 1807.09907 · arxiv_version: 1807.09907v1 · doi: 10.48550/arxiv.1807.09907 · pith_short_12: KLGE6PTTJDLU · pith_short_16: KLGE6PTTJDLUQ5AR · pith_short_8: KLGE6PTT

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/KLGE6PTTJDLUQ5ARD5MNE653HD \
  | 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: 52cc4f3e7348d74874111f58d27bbb38e0811e4dda1f61be24d612da67d6733f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d47ecd8b61086560ce0e83bea2a6c106693a49ef4fb80d6cf2bb4508b6507ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-07-26T00:54:23Z",
    "title_canon_sha256": "2493b208dc77cee8ac307438abda29888f456228b8bf70f55617530be1a76905"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09907",
    "kind": "arxiv",
    "version": 1
  }
}