Pith Number

pith:4FB5FPGI

pith:2009:4FB5FPGILM4V5X3UIN42BJDMK6

not attested not anchored not stored refs pending

A Submillimetre Search for Cold Extended Debris Disks in the Beta Pictoris Moving Group

(2) Onsala Space Observatory, (3) SRON, (4) ESA/ESTEC, A. Brandeker (1), Chalmers University of Technology, C. Risacher (3), G. Olofsson (1), G. Pilbratt (4) ((1) Department of Astronomy, Groningen, M. Fridlund (4), Noordwijk, Onsala, R. Liseau (2), R. Nilsson (1), Stockholm, Stockholm University, Sweden, the Netherlands), The Netherlands

arxiv:0910.2738 v1 · 2009-10-14 · astro-ph.EP · astro-ph.SR

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	2026-05-18T02:11:23.559038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e143d2bcc85b395edf744379a0a46c57bf970f5f391fc65f4472957c10fb1e7f

Aliases

arxiv: 0910.2738 · arxiv_version: 0910.2738v1 · doi: 10.48550/arxiv.0910.2738 · pith_short_12: 4FB5FPGILM4V · pith_short_16: 4FB5FPGILM4V5X3U · pith_short_8: 4FB5FPGI

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/4FB5FPGILM4V5X3UIN42BJDMK6 \
  | 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: e143d2bcc85b395edf744379a0a46c57bf970f5f391fc65f4472957c10fb1e7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04aea002a802eb504537969e4341af20f95f3fc71cd4791264f3becee53cf82d",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-10-14T22:16:55Z",
    "title_canon_sha256": "6cc4672a5105aa16cc1ad72c23abcedadb1b16134d344aa44b911bc8e97a0477"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2738",
    "kind": "arxiv",
    "version": 1
  }
}