Pith Number

pith:THQIDYZY

pith:2026:THQIDYZYHWRVL64LFSNBBIVMUB

not attested not anchored not stored refs pending

Constraining Extragalactic Proper Motion with Gaia Astrometry

Konstantin Malanchev, Rupert Croft, Sean Maloney, Tianqing Zhang

arxiv:2606.00280 v1 · 2026-05-29 · 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{THQIDYZYHWRVL64LFSNBBIVMUB}

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	2026-06-02T01:03:50.555839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99e081e3383da355fb8b2c9a10a2aca04f974e92aa872b0536e8b350c2b335ea

Aliases

arxiv: 2606.00280 · arxiv_version: 2606.00280v1 · doi: 10.48550/arxiv.2606.00280 · pith_short_12: THQIDYZYHWRV · pith_short_16: THQIDYZYHWRVL64L · pith_short_8: THQIDYZY

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/THQIDYZYHWRVL64LFSNBBIVMUB \
  | 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: 99e081e3383da355fb8b2c9a10a2aca04f974e92aa872b0536e8b350c2b335ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18a7794716614a64a0c11becae8156bf74254521da970f2e91ccf0b3a113cbf6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-05-29T19:16:56Z",
    "title_canon_sha256": "69f23ec824729197e00a31861edc4d31d947c330c6b711230ca79e5e7bf134f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.00280",
    "kind": "arxiv",
    "version": 1
  }
}