Pith Number

pith:7LL4C5QR

pith:2016:7LL4C5QRLGKG65HS7D6TV3C2FD

not attested not anchored not stored refs pending

Sparse aperture masking at the VLT II. Detection limits for the eight debris disks stars $\beta$ Pic, AU Mic, 49 Cet, $\eta$ Tel, Fomalhaut, g Lup, HD181327 and HR8799

A. Boccaletti, A.-M. Lagrange, D. Ehrenreich, J. H. Girard, L. Gauchet, M. Bonnefoy, S. Lacour

arxiv:1606.08498 v1 · 2016-06-27 · astro-ph.EP · astro-ph.IM

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

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	2026-05-18T01:01:23.376668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fad7c1761159946f74f2f8fd3aec5a28cae5ca212755986a062e2612bce2dd1a

Aliases

arxiv: 1606.08498 · arxiv_version: 1606.08498v1 · doi: 10.48550/arxiv.1606.08498 · pith_short_12: 7LL4C5QRLGKG · pith_short_16: 7LL4C5QRLGKG65HS · pith_short_8: 7LL4C5QR

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/7LL4C5QRLGKG65HS7D6TV3C2FD \
  | 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: fad7c1761159946f74f2f8fd3aec5a28cae5ca212755986a062e2612bce2dd1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6de7d26c3c0dcfe0f4794eccb0a0e20ed4f387b97dcaf1f152da5168bc27b335",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-06-27T22:08:06Z",
    "title_canon_sha256": "2ff47af9e6533eb24912eb04651a4adab2035fd470608fa2b4eec03a1d8fce70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.08498",
    "kind": "arxiv",
    "version": 1
  }
}