Pith Number

pith:IQ6N7TMA

pith:2015:IQ6N7TMAQI37DMHYDBSCJOPICU

not attested not anchored not stored refs pending

Active galactic nuclei cores in infrared-faint radio sources: Very long baseline interferometry observations using the Very Long Baseline Array

Adam T. Deller, Andreas Herzog, Enno Middelberg, Jordan D. Collier, Lee R. Spitler, Quentin A. Parker, Ray P. Norris

arxiv:1504.03771 v1 · 2015-04-15 · astro-ph.GA · 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{IQ6N7TMAQI37DMHYDBSCJOPICU}

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	2026-05-18T01:55:41.605161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

443cdfcd808237f1b0f8186424b9e81524920a11ad7cede8903881aaebea62ab

Aliases

arxiv: 1504.03771 · arxiv_version: 1504.03771v1 · doi: 10.48550/arxiv.1504.03771 · pith_short_12: IQ6N7TMAQI37 · pith_short_16: IQ6N7TMAQI37DMHY · pith_short_8: IQ6N7TMA

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/IQ6N7TMAQI37DMHYDBSCJOPICU \
  | 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: 443cdfcd808237f1b0f8186424b9e81524920a11ad7cede8903881aaebea62ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c72f66364bb160c10578677188e513ce2329b98c84cb750f1bef76bc34348d8",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-15T02:39:39Z",
    "title_canon_sha256": "d80fb38f20e8b54d2c762bc78ebf6b1ab1717e7880f8bdbd07308e748af80864"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03771",
    "kind": "arxiv",
    "version": 1
  }
}