Pith Number

pith:6QSMUCSR

pith:2006:6QSMUCSRD54WJGOWTFGSWKN7LI

not attested not anchored not stored refs pending

Characteristics of proposed 3 and 4 telescope configurations for Darwin and TPF-I

L. Kaltenegger, M. Fridlund

arxiv:astro-ph/0606733 v1 · 2006-06-29 · astro-ph · astro-ph.EP · 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{6QSMUCSRD54WJGOWTFGSWKN7LI}

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	2026-05-18T04:26:46.065258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f424ca0a511f796499d6994d2b29bf5a037e88d8c127b78b1b68a0a6f1474f7d

Aliases

arxiv: astro-ph/0606733 · arxiv_version: astro-ph/0606733v1 · doi: 10.48550/arxiv.astro-ph/0606733 · pith_short_12: 6QSMUCSRD54W · pith_short_16: 6QSMUCSRD54WJGOW · pith_short_8: 6QSMUCSR

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/6QSMUCSRD54WJGOWTFGSWKN7LI \
  | 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: f424ca0a511f796499d6994d2b29bf5a037e88d8c127b78b1b68a0a6f1474f7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff4b05696a4675fd899f8b04df17d76f0410fef80d858964b94c229dd33c022f",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-06-29T19:04:52Z",
    "title_canon_sha256": "f18143f70ef09057710f5fed92cdb1aa580e189efb28598763909e1ae788399e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0606733",
    "kind": "arxiv",
    "version": 1
  }
}