Pith Number

pith:DDTMH6Y7

pith:2016:DDTMH6Y7BYVHZNA5ETQPDBO4DN

not attested not anchored not stored refs pending

Making SPIFFI SPIFFIER: Upgrade of the SPIFFI instrument for use in ERIS and performance analysis from re-commissioning

A. Buron, A. Glindeman, A. Modigliani, C. Rau, D. Gr\"aff, E. M. George, E. Wiezorrek, F. Eisenhauer, G. Hau, H. Feuchtgruber, H. Huber, H. Kuntschner, H. Weisz, M. Hartl, M. Plattner, P. Amico, R. Davies, R. Genzel

arxiv:1608.02457 v2 · 2016-08-08 · 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{DDTMH6Y7BYVHZNA5ETQPDBO4DN}

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	2026-05-18T01:00:33.888101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18e6c3fb1f0e2a7cb41d24e0f185dc1b5664a569205d0989f583c2b065dd4446

Aliases

arxiv: 1608.02457 · arxiv_version: 1608.02457v2 · doi: 10.48550/arxiv.1608.02457 · pith_short_12: DDTMH6Y7BYVH · pith_short_16: DDTMH6Y7BYVHZNA5 · pith_short_8: DDTMH6Y7

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/DDTMH6Y7BYVHZNA5ETQPDBO4DN \
  | 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: 18e6c3fb1f0e2a7cb41d24e0f185dc1b5664a569205d0989f583c2b065dd4446

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b1d833afbedfb700dc33c1d0a8f337466ee990002a3d6a0949fd0fed614ffe0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-08-08T14:43:18Z",
    "title_canon_sha256": "155566174230a4f3289e191074441b3262a46762155a54c159eb32180fbae091"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.02457",
    "kind": "arxiv",
    "version": 2
  }
}