Pith Number

pith:PQOPLDVT

pith:2006:PQOPLDVTDCN32T4PUALZMH6C25

not attested not anchored not stored refs pending

GRAVITY: The adaptive optics assisted, two object beam combiner for the VLTI

A. Eckart, C. Straubmeier, F. Eisenhauer, G. Perrin, P. Lena, R. Genzel, S. Gillessen, S. Hippler, S. Rabien, T. Paumard, W. Brandner

arxiv:astro-ph/0607372 v1 · 2006-07-17 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQOPLDVTDCN32T4PUALZMH6C25}

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	2026-07-04T16:59:08.382197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c1cf58eb3189bbd4f8fa017961fc2d752c7cfbe01efcd0c3d3017a7123a8a13

Aliases

arxiv: astro-ph/0607372 · arxiv_version: astro-ph/0607372v1 · doi: 10.48550/arxiv.astro-ph/0607372 · pith_short_12: PQOPLDVTDCN3 · pith_short_16: PQOPLDVTDCN32T4P · pith_short_8: PQOPLDVT

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/PQOPLDVTDCN32T4PUALZMH6C25 \
  | 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: 7c1cf58eb3189bbd4f8fa017961fc2d752c7cfbe01efcd0c3d3017a7123a8a13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87b7039e3d5cb4e342d6fb99a7326964f3803a09df9091a3bc8ceb2973963235",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-07-17T11:36:01Z",
    "title_canon_sha256": "334ea681787a6d71718ebaa220e842945b24acc85dcdff32f7148973a3b221bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0607372",
    "kind": "arxiv",
    "version": 1
  }
}