Pith Number

pith:VFZSKGTT

pith:2018:VFZSKGTTFYQK7WGGWBW5TP54RA

not attested not anchored not stored refs pending

Improving Orbit Estimates for Incomplete Orbits with a New Approach to Priors -- with Applications from Black Holes to Planets

2), (2) Observatoire de Paris, (3) University of California San Diego, (4) University of California Berkeley, (5) California Institute of Technology), A. Hees (1, A.M. Ghez (1), D.S. Chu (1), E.E. Becklin (1), G. D. Martinez (1), G. Witzel (1), J. Lu (4), K. Kosmo O'Neil (1), K. Matthews (5), Q. Konopacky (3), S. Sakai (1) ((1) University of California Los Angeles, T. Do (1)

arxiv:1809.05490 v2 · 2018-09-14 · astro-ph.EP · 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{VFZSKGTTFYQK7WGGWBW5TP54RA}

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	2026-05-17T23:43:43.035593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a973251a732e20afd8c6b06dd9bfbc881137d316557ff6b777a8c99ff0fd7afe

Aliases

arxiv: 1809.05490 · arxiv_version: 1809.05490v2 · doi: 10.48550/arxiv.1809.05490 · pith_short_12: VFZSKGTTFYQK · pith_short_16: VFZSKGTTFYQK7WGG · pith_short_8: VFZSKGTT

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/VFZSKGTTFYQK7WGGWBW5TP54RA \
  | 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: a973251a732e20afd8c6b06dd9bfbc881137d316557ff6b777a8c99ff0fd7afe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a3ff80c81bfcd30274ece4bf416739ed87ce6b4ce57e1aee16708f99313b8fe",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-09-14T16:26:48Z",
    "title_canon_sha256": "1daa5958978e20d9cd070d1a3c7eb56c7742b647dfe0bd2bd803c5a4017e3ce4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05490",
    "kind": "arxiv",
    "version": 2
  }
}