Pith Number

pith:MFRQALOQ

pith:2009:MFRQALOQG5VATFCAUUYOKCKYHL

not attested not anchored not stored refs pending

Search for Cold Debris Disks around M-dwarfs. II

(2) University of Cambridge, (3) University of Bonn, (4) Max-Planck-Institut fur Radioastronomie, (5) Ecole Normale Superieure de Cachan), F. Bertoldi (3), G. Labaigt (5) ; ((1) Observatoire de Paris - CNRS, J.-F. Lestrade (1), K. M. Menten (4), M. C. Wyatt (2), UK

arxiv:0907.4782 v1 · 2009-07-27 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MFRQALOQG5VATFCAUUYOKCKYHL}

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	2026-05-18T02:12:47.318226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6163002dd0376a099440a530e509583afeb5d72dcc798488634b52ab0f1a54b7

Aliases

arxiv: 0907.4782 · arxiv_version: 0907.4782v1 · doi: 10.48550/arxiv.0907.4782 · pith_short_12: MFRQALOQG5VA · pith_short_16: MFRQALOQG5VATFCA · pith_short_8: MFRQALOQ

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/MFRQALOQG5VATFCAUUYOKCKYHL \
  | 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: 6163002dd0376a099440a530e509583afeb5d72dcc798488634b52ab0f1a54b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03decca2e2aa8a8834fa625a263a63af23aa4607b685af5dabef33494eb43c0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-07-27T22:21:46Z",
    "title_canon_sha256": "410b429385c6d4916847a6fad459bddf8963b19abd21715103ee9b06ad247a92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4782",
    "kind": "arxiv",
    "version": 1
  }
}