Pith Number

pith:H3XR4ILC

pith:2017:H3XR4ILCTZBJ6KXQGEQPL3UB4B

not attested not anchored not stored refs pending

LARS - An Absolute Reference Spectrograph for solar observations, Upgrade from a prototype to a turn-key system

H.-P. Doerr, J. Loehner-Boettcher, R. A. Probst, R. Holzwarth, T. Kentischer, T. Steinmetz, W. Schmidt

arxiv:1707.01573 v1 · 2017-07-05 · 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{H3XR4ILCTZBJ6KXQGEQPL3UB4B}

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	2026-05-18T00:31:40.581511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3eef1e21629e429f2af03120f5ee81e04db04fb4dbee9d4cad7bd92798ab0954

Aliases

arxiv: 1707.01573 · arxiv_version: 1707.01573v1 · doi: 10.48550/arxiv.1707.01573 · pith_short_12: H3XR4ILCTZBJ · pith_short_16: H3XR4ILCTZBJ6KXQ · pith_short_8: H3XR4ILC

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/H3XR4ILCTZBJ6KXQGEQPL3UB4B \
  | 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: 3eef1e21629e429f2af03120f5ee81e04db04fb4dbee9d4cad7bd92798ab0954

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8d72cff2d017b0fbf62ee686d29c834d9390ecff3f5be35b9a3989b671f7d7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-07-05T20:35:56Z",
    "title_canon_sha256": "608d04d85a5624fb5385c3bd29b441a51e7efe3f98913be0eb94eb297b6f0d95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01573",
    "kind": "arxiv",
    "version": 1
  }
}