Pith Number

pith:FV4JWLVT

pith:2016:FV4JWLVTMRUVP4AXGAKTJSPEPB

not attested not anchored not stored refs pending

Compact Symmetric Objects and Supermassive Binary Black Holes in the VLBA Imaging and Polarimetry Survey

A.A. Ortiz, C.D. Tremblay, G.B. Taylor, J.F. Helmboldt, R.W. Romani, S.E. Tremblay

arxiv:1603.03094 v1 · 2016-03-09 · 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{FV4JWLVTMRUVP4AXGAKTJSPEPB}

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	2026-05-18T01:18:35.338898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d789b2eb3646957f017301534c9e4786c5799737e360d6773eba5cf5d7c1db3

Aliases

arxiv: 1603.03094 · arxiv_version: 1603.03094v1 · doi: 10.48550/arxiv.1603.03094 · pith_short_12: FV4JWLVTMRUV · pith_short_16: FV4JWLVTMRUVP4AX · pith_short_8: FV4JWLVT

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/FV4JWLVTMRUVP4AXGAKTJSPEPB \
  | 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: 2d789b2eb3646957f017301534c9e4786c5799737e360d6773eba5cf5d7c1db3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd6c0ca1d719ab5f2e676918fffc4e0268de34148c0432c9c46fb602575ea8e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-03-09T22:58:18Z",
    "title_canon_sha256": "168591743a659bd7a6734351ed361d616b1e6724292f3caba5fd85eea3676fd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03094",
    "kind": "arxiv",
    "version": 1
  }
}