Pith Number

pith:A2V5AF23

pith:2023:A2V5AF23552RKQEXQASXOM3D56

not attested not anchored not stored refs pending

VGOS VLBI Intensives between MACGO12M and WETTZ13S for the rapid determination of UT1-UTC

Benedikt Soja, Christian Pl\"otz, Eusebio Terrazas, Frank G. Lemoine, Leonid Petrov, Matthias Schartner

arxiv:2302.08147 v1 · 2023-02-16 · physics.geo-ph · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A2V5AF23552RKQEXQASXOM3D56}

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	2026-07-05T06:57:07.129837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06abd0175bef751540978025773363efa3a8b637616fac5e1c197ed4d8d00886

Aliases

arxiv: 2302.08147 · arxiv_version: 2302.08147v1 · doi: 10.48550/arxiv.2302.08147 · pith_short_12: A2V5AF23552R · pith_short_16: A2V5AF23552RKQEX · pith_short_8: A2V5AF23

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/A2V5AF23552RKQEXQASXOM3D56 \
  | 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: 06abd0175bef751540978025773363efa3a8b637616fac5e1c197ed4d8d00886

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8fc3f772718e984a49a8f62a86f10af6938c99383b6e7fafaca2d4ec025723d",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2023-02-16T08:49:16Z",
    "title_canon_sha256": "5889cb30c2930bdd56039efea44a864af7f41c3974f93e46ed90bfc044828895"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.08147",
    "kind": "arxiv",
    "version": 1
  }
}