Pith Number

pith:SIFAKTLC

pith:2016:SIFAKTLCZ22AUQZ6CYVNOVFY77

not attested not anchored not stored refs pending

A High Resolution Spectrograph for the 72 cm Waltz Telescope at Landessternwarte, Heidelberg

A. Quirrenbach, C. Schwab, G. Thimm, H. Mandel, J. St\"urmer, J. Tietz, K. Wagner, L. Geuer, L. Sch\"affner, M. Grill, M. Tala, P. Heeren, R. J. Harris, S. Reffert, T. Gutcke, U. Seemann, W. Seifert

arxiv:1608.06090 v1 · 2016-08-22 · 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{SIFAKTLCZ22AUQZ6CYVNOVFY77}

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	2026-05-18T00:55:12.460907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

920a054d62ceb40a433e162ad754b8ffc5825e0f5afc4e415efd5d3607f23d3a

Aliases

arxiv: 1608.06090 · arxiv_version: 1608.06090v1 · doi: 10.48550/arxiv.1608.06090 · pith_short_12: SIFAKTLCZ22A · pith_short_16: SIFAKTLCZ22AUQZ6 · pith_short_8: SIFAKTLC

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/SIFAKTLCZ22AUQZ6CYVNOVFY77 \
  | 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: 920a054d62ceb40a433e162ad754b8ffc5825e0f5afc4e415efd5d3607f23d3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7bca40652b32d27d87aeca0270cc1e18bebe625e07b62e04bc812d3fe9f1b25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-08-22T09:00:57Z",
    "title_canon_sha256": "9eeaa771031c473a279593260af2ef0cda7b336dc1c600fad2880ba30895b8fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06090",
    "kind": "arxiv",
    "version": 1
  }
}