Pith Number

pith:4FIOH3UP

pith:2018:4FIOH3UPB6AXL3WN3ELD6HJD23

not attested not anchored not stored refs pending

A quantitative analysis of systematic differences in positions and proper motions of Gaia DR2 with respect to VLBI

A.V. Plavin (ASC Lebedev, L. Petrov (Astrogeo Center, Mipt), MIPT, Mpifr), Y.Y. Kovalev (ASC Lebedev

arxiv:1808.05114 v3 · 2018-08-15 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FIOH3UPB6AXL3WN3ELD6HJD23}

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	2026-05-18T00:00:29.768456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e150e3ee8f0f8175eecdd9163f1d23d6dc56d1ca17195cacf337c1423e17872d

Aliases

arxiv: 1808.05114 · arxiv_version: 1808.05114v3 · doi: 10.48550/arxiv.1808.05114 · pith_short_12: 4FIOH3UPB6AX · pith_short_16: 4FIOH3UPB6AXL3WN · pith_short_8: 4FIOH3UP

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/4FIOH3UPB6AXL3WN3ELD6HJD23 \
  | 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: e150e3ee8f0f8175eecdd9163f1d23d6dc56d1ca17195cacf337c1423e17872d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "161b83dae32eb23bd5f346c56d3205640ceb735b1d8a94a28a2a1e6715a45d77",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-15T15:02:48Z",
    "title_canon_sha256": "62028a610b6a4bcc780f3fa2511138fcb4f3d62cc1bd0081ededce1ba5143107"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05114",
    "kind": "arxiv",
    "version": 3
  }
}