Pith Number

pith:WBOBRNRX

pith:2015:WBOBRNRXOTXSHC3SA3XIHBQM6L

not attested not anchored not stored refs pending

PEPSI: The high-resolution echelle spectrograph and polarimeter for the Large Binocular Telescope

A. Hofmann, A. J\"arvinen, C. Denker, D. D\"oscher, D. Feuerstein, D. Pl\"uschke, D. Sablowski, E. Beckert, E. Popow, F. Dionies, G. Harnisch, I. DiVarano, I. Ilyin, J. Paschke, J. Storm, K.G. Strassmeier, M. Lesser, M. Weber, M. Woche, R. Bredthauer, S.I. Barnes, S.-M. Bauer, S. Pankratow, T.A. Carroll, T. Fechner, T. Granzer, T. Hahn, V. Plank, W. Bittner

arxiv:1505.06492 v1 · 2015-05-24 · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WBOBRNRXOTXSHC3SA3XIHBQM6L}

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	2026-05-18T02:03:32.071856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b05c18b63774ef238b7206ee83860cf2ced1e2a27530c7bbac9af69b0118042c

Aliases

arxiv: 1505.06492 · arxiv_version: 1505.06492v1 · doi: 10.48550/arxiv.1505.06492 · pith_short_12: WBOBRNRXOTXS · pith_short_16: WBOBRNRXOTXSHC3S · pith_short_8: WBOBRNRX

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/WBOBRNRXOTXSHC3SA3XIHBQM6L \
  | 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: b05c18b63774ef238b7206ee83860cf2ced1e2a27530c7bbac9af69b0118042c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcd43563a80963de9f2d6e87e2b9fc377e043cdbd5f90a32b7565c8ee69fdecd",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-05-24T22:23:23Z",
    "title_canon_sha256": "2888089a9eedb5da600b2612bf331f0ef58c0da816d0783385ba98df7fb778c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06492",
    "kind": "arxiv",
    "version": 1
  }
}