Pith Number

pith:MJPTZ3RD

pith:2026:MJPTZ3RDVGOGKBVIPEW2KQXLZZ

not attested not anchored not stored refs pending

A multi-band radio flux density catalog of ICRF3 sources using the Onsala Twin Telescopes

Alva Kinman, Eskil Varenius, Jun Yang, Karine Le Bail, R\"udiger Haas

arxiv:2607.20671 v1 · 2026-07-22 · astro-ph.IM · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MJPTZ3RDVGOGKBVIPEW2KQXLZZ}

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	2026-07-24T00:23:28.644357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

625f3cee23a99c6506a8792da542ebce53fee6117ba13fe01ba8051a8ec4b91e

Aliases

arxiv: 2607.20671 · arxiv_version: 2607.20671v1 · doi: 10.48550/arxiv.2607.20671 · pith_short_12: MJPTZ3RDVGOG · pith_short_16: MJPTZ3RDVGOGKBVI · pith_short_8: MJPTZ3RD

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/MJPTZ3RDVGOGKBVIPEW2KQXLZZ \
  | 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: 625f3cee23a99c6506a8792da542ebce53fee6117ba13fe01ba8051a8ec4b91e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c7e3e3d809b61797c5c6fb09d64dfb4464174eb156d663b26e92d7b0636249c",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-07-22T19:10:45Z",
    "title_canon_sha256": "168bf7e2947bc49a3418242aff44ee01e12a1ab375b921bd6b608a019b5a1e0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20671",
    "kind": "arxiv",
    "version": 1
  }
}