Pith Number

pith:33U62ZSG

pith:2026:33U62ZSG2URHCSQPXYFIRKLQXJ

not attested not anchored not stored refs pending

Jointly Modeling Roman Coronagraph Astrometry and Photometry Improves Orbital Parameter Estimates

Farrah Molina, Jason Wang, Sarah Blunt

arxiv:2607.22754 v1 · 2026-07-23 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{33U62ZSG2URHCSQPXYFIRKLQXJ}

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	2026-07-28T00:21:52.887345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dee9ed6646d522714a0fbe0a88a970ba75f9fb54a3d7590deaa579bb74d08562

Aliases

arxiv: 2607.22754 · arxiv_version: 2607.22754v1 · doi: 10.48550/arxiv.2607.22754 · pith_short_12: 33U62ZSG2URH · pith_short_16: 33U62ZSG2URHCSQP · pith_short_8: 33U62ZSG

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/33U62ZSG2URHCSQPXYFIRKLQXJ \
  | 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: dee9ed6646d522714a0fbe0a88a970ba75f9fb54a3d7590deaa579bb74d08562

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0c21e979c9a9de6399a992e437ccd0ed925a54454360bb0cd28d26dae09f38a",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-07-23T18:30:44Z",
    "title_canon_sha256": "9893010df9a7c207493df79659293e5a8e53f5a4409b189a05dda2f47959924c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22754",
    "kind": "arxiv",
    "version": 1
  }
}