Pith Number

pith:POSNBPIB

pith:2013:POSNBPIBGTMLYJGH4LZE5JIKOT

not attested not anchored not stored refs pending

Planetary-mass companions to the K-giants BD+15 2940 and HD 233604

A. Niedzielski, A. Wolszczan, G. Maciejewski, G. Nowak, M. Adam\'ow

arxiv:1304.6755 v1 · 2013-04-24 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{POSNBPIBGTMLYJGH4LZE5JIKOT}

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	2026-05-18T01:50:22.181087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ba4d0bd0134d8bc24c7e2f24ea50a74d65fca9a76cf03fe98e4d0bd81ae6304

Aliases

arxiv: 1304.6755 · arxiv_version: 1304.6755v1 · doi: 10.48550/arxiv.1304.6755 · pith_short_12: POSNBPIBGTML · pith_short_16: POSNBPIBGTMLYJGH · pith_short_8: POSNBPIB

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/POSNBPIBGTMLYJGH4LZE5JIKOT \
  | 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: 7ba4d0bd0134d8bc24c7e2f24ea50a74d65fca9a76cf03fe98e4d0bd81ae6304

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b5f133b153c5d145920d5864167066f9c3e9f4dd0a6b9bf2c5da93dda2412fd",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-04-24T21:25:57Z",
    "title_canon_sha256": "48c90980b0002382a253b7ccf9e0398441956bd4d8578c0d6fad398d7e808dd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6755",
    "kind": "arxiv",
    "version": 1
  }
}