Pith Number

pith:3I4AMGFI

pith:2019:3I4AMGFIKWGUXLVCOZ3PNCLIXF

not attested not anchored not stored refs pending

Systematics and accuracy of VLBI astrometry: What can be learned from a comparison with Gaia Data Release 2

Jia.-Cheng. Liu, Niu Liu, Sebastien Lambert, Zi Zhu

arxiv:1912.07396 v1 · 2019-12-16 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3I4AMGFIKWGUXLVCOZ3PNCLIXF}

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.

Cited by

1 paper in Pith

Gaia parallax bias via spherical harmonics: A Python tool and discussion of possible causes

Receipt and verification

First computed	2026-07-05T00:38:29.732956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da380618a8558d4baea27676f68968b95194ff3965b1404104d84d71b72ffbe1

Aliases

arxiv: 1912.07396 · arxiv_version: 1912.07396v1 · doi: 10.48550/arxiv.1912.07396 · pith_short_12: 3I4AMGFIKWGU · pith_short_16: 3I4AMGFIKWGUXLVC · pith_short_8: 3I4AMGFI

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/3I4AMGFIKWGUXLVCOZ3PNCLIXF \
  | 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: da380618a8558d4baea27676f68968b95194ff3965b1404104d84d71b72ffbe1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a803ba97c4721d79e01f70a402675af04022801699ac32d104dca63b55b76a1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-12-16T14:25:58Z",
    "title_canon_sha256": "ea4b1ca216d1fe5edb08e84d52d60a87cab7ce4cc947125f0719a0ed21d82673"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.07396",
    "kind": "arxiv",
    "version": 1
  }
}