Pith Number

pith:MMZ6A72K

pith:2012:MMZ6A72K3EQYKBM4PTCBSEDQH3

not attested not anchored not stored refs pending

MOJAVE: Monitoring of Jets in Active Galactic Nuclei with VLBA Experiments. IX. Nuclear opacity

A. B. Pushkarev, A. P. Lobanov, J. A. Zensus, M. L. Lister, T. Hovatta, T. Savolainen, Y. Y. Kovalev

arxiv:1207.5457 v1 · 2012-07-23 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MMZ6A72K3EQYKBM4PTCBSEDQH3}

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	2026-05-18T03:45:20.879670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6333e07f4ad92185059c7cc41910703ee8a3bba805ddb306819c287d62967cab

Aliases

arxiv: 1207.5457 · arxiv_version: 1207.5457v1 · doi: 10.48550/arxiv.1207.5457 · pith_short_12: MMZ6A72K3EQY · pith_short_16: MMZ6A72K3EQYKBM4 · pith_short_8: MMZ6A72K

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/MMZ6A72K3EQYKBM4PTCBSEDQH3 \
  | 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: 6333e07f4ad92185059c7cc41910703ee8a3bba805ddb306819c287d62967cab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5f034ac548292fca22dadcea73c4fcf1ef34dec06cb4f7a6d38d853fb312c98",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-07-23T17:11:45Z",
    "title_canon_sha256": "f3deeeecaf4f538c61f098676ec322c3b34b70ba49cec3a12fce6ff281a9cb64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5457",
    "kind": "arxiv",
    "version": 1
  }
}