Pith Number

pith:R6FCW2WV

pith:2015:R6FCW2WVLGMH7YA7WY55I4AXWP

not attested not anchored not stored refs pending

Parallax of the L4.5 dwarf 2M1821$+$14 from high-precision astrometry with OSIRIS at GTC

D. Queloz, D. S\'egransan, E. L. Mart\'in, H. Bouy, J. Sahlmann, M. R. Zapatero Osorio, P. F. Lazorenko

arxiv:1509.08718 v1 · 2015-09-29 · 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{R6FCW2WVLGMH7YA7WY55I4AXWP}

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	2026-05-18T01:27:22.429368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f8a2b6ad559987fe01fb63bd47017b3e92e8bc055f388362d37f9cd22ac4983

Aliases

arxiv: 1509.08718 · arxiv_version: 1509.08718v1 · doi: 10.48550/arxiv.1509.08718 · pith_short_12: R6FCW2WVLGMH · pith_short_16: R6FCW2WVLGMH7YA7 · pith_short_8: R6FCW2WV

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/R6FCW2WVLGMH7YA7WY55I4AXWP \
  | 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: 8f8a2b6ad559987fe01fb63bd47017b3e92e8bc055f388362d37f9cd22ac4983

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87fa20457fc52d00b8fd6f001ddfc9f2604a0f3f3c4c1c16babd3863b8ec7d38",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-29T12:35:25Z",
    "title_canon_sha256": "4c9afaf6ef15d16d5961223e3d623b4dee4cf9d81a95bdb5a3fbb0733a429697"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08718",
    "kind": "arxiv",
    "version": 1
  }
}