Pith Number

pith:PJ7OX4NB

pith:2006:PJ7OX4NBA2V3LT6IFJK6KP3227

not attested not anchored not stored refs pending

A compact dusty disk around the Herbig Ae star HR 5999 resolved with VLTI / MIDI

& Gerd Weigelt, Roy van Boekel, Stefan Kraus, Thomas Driebe, Thomas Preibisch

arxiv:astro-ph/0607497 v1 · 2006-07-21 · 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{PJ7OX4NBA2V3LT6IFJK6KP3227}

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	2026-07-04T16:59:10.258699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a7eebf1a106abb5cfc82a55e53f7ad7f829f53b101f6c42b5bcf57c933f380c

Aliases

arxiv: astro-ph/0607497 · arxiv_version: astro-ph/0607497v1 · doi: 10.48550/arxiv.astro-ph/0607497 · pith_short_12: PJ7OX4NBA2V3 · pith_short_16: PJ7OX4NBA2V3LT6I · pith_short_8: PJ7OX4NB

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/PJ7OX4NBA2V3LT6IFJK6KP3227 \
  | 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: 7a7eebf1a106abb5cfc82a55e53f7ad7f829f53b101f6c42b5bcf57c933f380c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c59ab9b6f261c877bcd0f94ff80aecf3973a63e664a0d82b1294c874c288269e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-07-21T09:06:08Z",
    "title_canon_sha256": "7f39cae46845b179ca9f451a0da6f9b60c3f25dd67a68d5c3931f25e0a2e8692"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0607497",
    "kind": "arxiv",
    "version": 1
  }
}