Pith Number

pith:T2KWQWYP

pith:2000:T2KWQWYPRYWKI36WDJSXSOEB4T

not attested not anchored not stored refs pending

GI2T/REGAIN spectro-interferometry with a new infrared beam combiner

C. Hillemanns (1), D. Mourard (2), D. Schertl (1), F. Vakili (2) ((1) MPI fuer Radioastronomie Bonn; (2) Observatoire de la Cote d'Azur; (3) Institut fuer Theoretische Astrophysik, G. Weigelt (1), Heidelberg), K.-H. Hofmanni (1), L. Abe (2), M. Scholz (3), N. Thureau (2), O. Chesneau (2), P. Stee (2), S. Raglandi (2), U. Beckmann (1)

arxiv:astro-ph/0004184 v1 · 2000-04-13 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T2KWQWYPRYWKI36WDJSXSOEB4T}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:40:48.018113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e95685b0f8e2ca46fd61a65793881e4fecd2d3fbf5431ba194188afda326d95

Aliases

arxiv: astro-ph/0004184 · arxiv_version: astro-ph/0004184v1 · doi: 10.48550/arxiv.astro-ph/0004184 · pith_short_12: T2KWQWYPRYWK · pith_short_16: T2KWQWYPRYWKI36W · pith_short_8: T2KWQWYP

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/T2KWQWYPRYWKI36WDJSXSOEB4T \
  | 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: 9e95685b0f8e2ca46fd61a65793881e4fecd2d3fbf5431ba194188afda326d95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b30786eaa188d706f937baafbf642a2149822dd45673093ac82cbca3e0660ab",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-04-13T13:12:04Z",
    "title_canon_sha256": "b66bc972ff3b62bb95036e8e41cb7bc64f79aa6499d7a5df516477691e7bb0ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0004184",
    "kind": "arxiv",
    "version": 1
  }
}