Pith Number

pith:IYIEOGSQ

pith:2018:IYIEOGSQUVMX2WYSY44YMEATM2

not attested not anchored not stored refs pending

Sphinx: a massively multiplexed fiber positioner for MSE

Andrew Sheinis, Gabriella Baker, James Gilbert, Lew Waller, Peter Gillingham, Rebecca Brown, Scott Smedley, Sudharshan Venkatesan, Will Saunders

arxiv:1807.09181 v1 · 2018-07-20 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IYIEOGSQUVMX2WYSY44YMEATM2}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:09:56.509088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4610471a50a5597d5b12c7398610136696040f80e7e94a1b0ca480c4fe7cbfdb

Aliases

arxiv: 1807.09181 · arxiv_version: 1807.09181v1 · doi: 10.48550/arxiv.1807.09181 · pith_short_12: IYIEOGSQUVMX · pith_short_16: IYIEOGSQUVMX2WYS · pith_short_8: IYIEOGSQ

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/IYIEOGSQUVMX2WYSY44YMEATM2 \
  | 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: 4610471a50a5597d5b12c7398610136696040f80e7e94a1b0ca480c4fe7cbfdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dfb964b30a1c5c8ee08d5c0f5ed100b1c176afe0f580a8d66c6fd15a584076f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-07-20T22:05:15Z",
    "title_canon_sha256": "61db2c1aa45bb2c339286fd226030391a6425a6e4768f806a70d7fd895e83bb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09181",
    "kind": "arxiv",
    "version": 1
  }
}