Pith Number

pith:7JNZZANI

pith:2018:7JNZZANIOVI6AO74LFDRYEFUEQ

not attested not anchored not stored refs pending

Parameters of the Link between the Optical and Radio Frames from Gaia DR2 Data and VLBI Measurements

V. V. Bobylev

arxiv:1812.07838 v1 · 2018-12-19 · 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{7JNZZANIOVI6AO74LFDRYEFUEQ}

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	2026-05-17T23:57:55.823015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa5b9c81a87551e03bfc59471c10b424218fa8e754ef963bd3b22d9845b39ae1

Aliases

arxiv: 1812.07838 · arxiv_version: 1812.07838v1 · doi: 10.48550/arxiv.1812.07838 · pith_short_12: 7JNZZANIOVI6 · pith_short_16: 7JNZZANIOVI6AO74 · pith_short_8: 7JNZZANI

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/7JNZZANIOVI6AO74LFDRYEFUEQ \
  | 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: fa5b9c81a87551e03bfc59471c10b424218fa8e754ef963bd3b22d9845b39ae1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f27c76d972e45d73e81ceda76262cb50326b39e01ef0b9684f9712b803bd2f64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-19T09:33:53Z",
    "title_canon_sha256": "0ab445f0862b3c71f1d7a8e593dd895fea4f85563b67248034e7ec3b8dd72330"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07838",
    "kind": "arxiv",
    "version": 1
  }
}