Pith Number

pith:UK5JUYEC

pith:2026:UK5JUYECW5XDSXW3TX7Y4YXS7P

not attested not anchored not stored refs pending

SKA VLBI survey of the Southern sky for astrometry, geodesy, and astrophysics

L. Y. Petrov, M. H. Xu, Y. Y. Kovalev

arxiv:2606.26745 v1 · 2026-06-25 · 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{UK5JUYECW5XDSXW3TX7Y4YXS7P}

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	2026-06-26T01:15:58.621811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2ba9a6082b76e395edb9dff8e62f2fbd96a698ca23b244054b85742c881bc03

Aliases

arxiv: 2606.26745 · arxiv_version: 2606.26745v1 · doi: 10.48550/arxiv.2606.26745 · pith_short_12: UK5JUYECW5XD · pith_short_16: UK5JUYECW5XDSXW3 · pith_short_8: UK5JUYEC

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/UK5JUYECW5XDSXW3TX7Y4YXS7P \
  | 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: a2ba9a6082b76e395edb9dff8e62f2fbd96a698ca23b244054b85742c881bc03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5523a9a45d45a2786d1cc55227e75375220d3dd3033ca7618a47379d01ea6688",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-25T08:32:08Z",
    "title_canon_sha256": "aee57cee4452d7c8d847d6e53424a245abb98ca5427fbf203ff2c3d8c6b5cdc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26745",
    "kind": "arxiv",
    "version": 1
  }
}