Pith Number

pith:VVS35CKD

pith:2013:VVS35CKDF3VOMLN3D2KD6ZZQ4C

not attested not anchored not stored refs pending

The Secular Aberration Drift and Future Challenges for VLBI Astrometry

Oleg Titov

arxiv:1301.0364 v1 · 2013-01-03 · astro-ph.IM · astro-ph.CO · astro-ph.EP · 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{VVS35CKDF3VOMLN3D2KD6ZZQ4C}

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	2026-05-18T03:08:04.329466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad65be89432eeae62dbb1e943f6730e08ced5375068a7b3049fc807b5093da1e

Aliases

arxiv: 1301.0364 · arxiv_version: 1301.0364v1 · doi: 10.48550/arxiv.1301.0364 · pith_short_12: VVS35CKDF3VO · pith_short_16: VVS35CKDF3VOMLN3 · pith_short_8: VVS35CKD

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/VVS35CKDF3VOMLN3D2KD6ZZQ4C \
  | 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: ad65be89432eeae62dbb1e943f6730e08ced5375068a7b3049fc807b5093da1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9e25ec0f4965c24aa1e0d18803b620426111fc5d960c14185d5f09c0bf6ed27",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-01-03T02:02:54Z",
    "title_canon_sha256": "e324803f7659299edfb788f6697fa4978ccf0a22cc7bc3193269074c0c09406d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0364",
    "kind": "arxiv",
    "version": 1
  }
}