Pith Number

pith:VLB6LPQE

pith:2025:VLB6LPQERR6OOJQ5NQKMB2UPIU

not attested not anchored not stored refs pending

The HST-Gaia Near-Infrared Astrometric Reference Frame near the Milky Way Galactic Center

Andrea M. Ghez, Gregory D. Martinez, Jay Anderson, Jessica R. Lu, Matthew W. Hosek Jr., Rebecca Lewis-Merrill, Shoko Sakai, Tuan Do

arxiv:2506.19933 v1 · 2025-06-24 · 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{VLB6LPQERR6OOJQ5NQKMB2UPIU}

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	2026-07-05T11:26:56.050017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aac3e5be048c7ce7261d6c14c0ea8f450bc66843f1a20cd07a45113174a7cf21

Aliases

arxiv: 2506.19933 · arxiv_version: 2506.19933v1 · doi: 10.48550/arxiv.2506.19933 · pith_short_12: VLB6LPQERR6O · pith_short_16: VLB6LPQERR6OOJQ5 · pith_short_8: VLB6LPQE

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/VLB6LPQERR6OOJQ5NQKMB2UPIU \
  | 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: aac3e5be048c7ce7261d6c14c0ea8f450bc66843f1a20cd07a45113174a7cf21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7595e9a5bbbec676e1c72b2abbcc810706e3d49d56842677429695f6637f2274",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-06-24T18:19:00Z",
    "title_canon_sha256": "ebeb94d43c3f054df0c066b91096a3e4993718c3cb7cc043b3995453d094ad66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.19933",
    "kind": "arxiv",
    "version": 1
  }
}