Pith Number

pith:VDGXNII7

pith:2018:VDGXNII76L7IRKQFZPJYWGUJ2W

not attested not anchored not stored refs pending

On-Sky Operations with the ALES Integral Field Spectrograph

Andrew J. Skemer, Charles E. Woodward, Jarron Leisenring, Jordan M. Stone, Mike Skrutskie, Philip Hinz, Travis Barman, Zack Briesemeister

arxiv:1808.02571 v1 · 2018-08-07 · 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{VDGXNII76L7IRKQFZPJYWGUJ2W}

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	2026-05-18T00:08:34.963530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8cd76a11ff2fe88aa05cbd38b1a89d59f3460158c99f9b6270836a89bc7d9cf

Aliases

arxiv: 1808.02571 · arxiv_version: 1808.02571v1 · doi: 10.48550/arxiv.1808.02571 · pith_short_12: VDGXNII76L7I · pith_short_16: VDGXNII76L7IRKQF · pith_short_8: VDGXNII7

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/VDGXNII76L7IRKQFZPJYWGUJ2W \
  | 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: a8cd76a11ff2fe88aa05cbd38b1a89d59f3460158c99f9b6270836a89bc7d9cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24dadd1189a55e139f425b7d9c21504ab03159d692bc74a214a08418e3163300",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-08-07T22:45:21Z",
    "title_canon_sha256": "2c43d4e44464f46c721c97d60378a25b6ec9b64e5d521fc8a5d9194295935c67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02571",
    "kind": "arxiv",
    "version": 1
  }
}