Pith Number

pith:5HWXIEEI

pith:2011:5HWXIEEIBSI4NPFJ5IDLFJBITH

not attested not anchored not stored refs pending

The origin of very wide binary stars

2), Astrophysics, D. Malmberg (3) ((1) Kavli Institute for Astronomy, M.B.N. Kouwenhoven (1), Melvyn B. Davies (3), Peking University (2) University of Sheffield (3) Lund Observatory (4) ETH Zurich (5) AIfA Bonn), P. Kroupa (5), Richard J. Parker (4, S.P. Goodwin (2)

arxiv:1108.4505 v1 · 2011-08-23 · astro-ph.SR · 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{5HWXIEEIBSI4NPFJ5IDLFJBITH}

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	2026-05-18T04:14:54.392656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9ed7410880c91c6bca9ea06b2a42899ce246c7c560613e2b61b3931a36d9b31

Aliases

arxiv: 1108.4505 · arxiv_version: 1108.4505v1 · doi: 10.48550/arxiv.1108.4505 · pith_short_12: 5HWXIEEIBSI4 · pith_short_16: 5HWXIEEIBSI4NPFJ · pith_short_8: 5HWXIEEI

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/5HWXIEEIBSI4NPFJ5IDLFJBITH \
  | 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: e9ed7410880c91c6bca9ea06b2a42899ce246c7c560613e2b61b3931a36d9b31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14a1c0833d23962f3a6e73e72732e7589c50e772d876f24bd7a49cfaa408ada3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-08-23T06:41:27Z",
    "title_canon_sha256": "007d412f747478d5a84e333d80a84af1adbac2cfd321e3ce96c6375c4f57540a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4505",
    "kind": "arxiv",
    "version": 1
  }
}