Pith Number

pith:63WKBE6A

pith:2019:63WKBE6ASD3UQVVNL6VMAIX6F6

not attested not anchored not stored refs pending

The Next Generation Celestial Reference Frame

Alan Fey, Anthony Beasley, Bryan Dorland, David Gordon, Frank Schinzel, Jeremy Darling, John Gipson, Joseph Lazio, Leonid Petrov, Lucas Hunt, Megan Johnson, Nathan Secrest, Walter Brisken

arxiv:1903.11145 v1 · 2019-03-26 · astro-ph.IM · 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{63WKBE6ASD3UQVVNL6VMAIX6F6}

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	2026-05-17T23:50:04.025641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6eca093c090f74856ad5faac022fe2f8a879c0533ba11a9d1729552383cb414

Aliases

arxiv: 1903.11145 · arxiv_version: 1903.11145v1 · doi: 10.48550/arxiv.1903.11145 · pith_short_12: 63WKBE6ASD3U · pith_short_16: 63WKBE6ASD3UQVVN · pith_short_8: 63WKBE6A

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/63WKBE6ASD3UQVVNL6VMAIX6F6 \
  | 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: f6eca093c090f74856ad5faac022fe2f8a879c0533ba11a9d1729552383cb414

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca96da4686a5a5c4812c3a20e7a77ae5bfe8a1f1e98827ceacec342d9caafcf4",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-03-26T20:25:27Z",
    "title_canon_sha256": "918ef026fa062b2dec51e0b8ccc40476e58f9f27bb5f874901b264cbaf5bf335"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11145",
    "kind": "arxiv",
    "version": 1
  }
}