Pith Number

pith:7YJGYWZ6

pith:2019:7YJGYWZ6XYG6WKB5ACOFEKRIB6

not attested not anchored not stored refs pending

Secular Extragalactic Parallax: Measurement Methods and Predictions for Gaia

Helene M. Courtois, Jennie Paine, Jeremy Darling, Romain Graziani

arxiv:1912.11935 v1 · 2019-12-26 · astro-ph.CO · 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{7YJGYWZ6XYG6WKB5ACOFEKRIB6}

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	2026-07-05T00:45:17.849474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe126c5b3ebe0deb283d009c522a280fbdfd02e10647c359fa2507707dcb265a

Aliases

arxiv: 1912.11935 · arxiv_version: 1912.11935v1 · doi: 10.48550/arxiv.1912.11935 · pith_short_12: 7YJGYWZ6XYG6 · pith_short_16: 7YJGYWZ6XYG6WKB5 · pith_short_8: 7YJGYWZ6

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/7YJGYWZ6XYG6WKB5ACOFEKRIB6 \
  | 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: fe126c5b3ebe0deb283d009c522a280fbdfd02e10647c359fa2507707dcb265a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29845dc77825e2570f4b2af72f9f596ee43fec60e84ef45af8046d2811fc47e0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-12-26T21:03:12Z",
    "title_canon_sha256": "fd14f6f7149c86a9502a23c0181fafa71f8d1c4dc22640ce25df297ed6cd026b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.11935",
    "kind": "arxiv",
    "version": 1
  }
}