Pith Number

pith:BWSW3QN7

pith:2019:BWSW3QN7RDJJEQ36IFW4EUJMNV

not attested not anchored not stored refs pending

The Synergy between VLBI and Gaia astrometry

1), (10) NRAO, (11) Dept. of Phys. & Astronomy, (12) CfRAT&T, 13) ((1) JIVE, (13) Department of Physics, 2), (2) Sterrewacht Leiden, (3) Dept. of SEE, (4) Instituto de Radioastronomia y Astrofisica, (5) Mizusawa VLBI Obs., (6) Graduate School of Science, 7, (7) Mizusawa VLBI Observatory, 8), (8) Korea Astronomy, (9) Dept. of Phys. & Astronomy, Akiharu Nakagawa (6), Albuquerque, CA, Chalmers Univ., Daedeokdae-ro, Daejeon, Dept. of Phys. & Elect., Engineering, Grahamstown, Hatfield, Hoshigaoka-cho, Huib van Langevelde (1, Iniyan Natarajan (12), Iwate, Japan, Kagoshima, Kagoshima-shi, Kagoshima University, Katharina Immer (1), Korimoto, Laurent Loinard (4), Leiden, Leiden University, Lorant Sjouwerman (10), Los Angeles, Luis Henry Quiroga-Nu\~nez (2, Mareki Honma (5), Mexico, Michoacan, Mitaka, Mizusawa, NAOJ, National Astronomical Observatory of Japan, NM, Onsala, Onsala Space Observatory, Osawa, Oshu, PD Dwingeloo, Postbus, Pretoria, Republic of Korea, Rhodes University, R. Michael Rich (11), Roger Deane (12, Ross Burns (1, Socorro, South Africa, South Africa), Space Science Institute, Sweden, The Netherlands, Tokyo, Universidad Nacional Autonoma de Mexico, University of Pretoria, Univ. of California, Univ. of New Mexico, USA, Wouter Vlemmings (3), Ylva Pihlstr\"om (9), Yuseong-gu

arxiv:1901.07804 v3 · 2019-01-23 · 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{BWSW3QN7RDJJEQ36IFW4EUJMNV}

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	2026-05-17T23:55:02.952066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0da56dc1bf88d292437e416dc2512c6d467c06e161a8a4bf5c397bf04793160e

Aliases

arxiv: 1901.07804 · arxiv_version: 1901.07804v3 · doi: 10.48550/arxiv.1901.07804 · pith_short_12: BWSW3QN7RDJJ · pith_short_16: BWSW3QN7RDJJEQ36 · pith_short_8: BWSW3QN7

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/BWSW3QN7RDJJEQ36IFW4EUJMNV \
  | 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: 0da56dc1bf88d292437e416dc2512c6d467c06e161a8a4bf5c397bf04793160e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d74d8ffc2a650ec322f1ec1d1493c999cc42add3dc97a103c1c8c3e5f4790e81",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-01-23T10:29:09Z",
    "title_canon_sha256": "4b355a1f779c1e91bd6ddfbfb077bf2865815eef975a95ef874ce2fae7e2a462"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07804",
    "kind": "arxiv",
    "version": 3
  }
}