Pith Number

pith:NHDFCP7V

pith:2016:NHDFCP7VT6GEHFUQEGFZWXUIJQ

not attested not anchored not stored refs pending

What sparks the radio-loud phase of nearby quasars?

Froylan Moreno del Rio, Heinz Andernach, Juan Pablo Torres-Papaqui Ren\'e Alberto Ortega-Minakata, Roger Coziol

arxiv:1612.02655 v1 · 2016-12-08 · 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{NHDFCP7VT6GEHFUQEGFZWXUIJQ}

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	2026-05-18T00:52:37.320149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69c6513ff59f8c439690218b9b5e884c059f69d79f99406408bc55b1f403073c

Aliases

arxiv: 1612.02655 · arxiv_version: 1612.02655v1 · doi: 10.48550/arxiv.1612.02655 · pith_short_12: NHDFCP7VT6GE · pith_short_16: NHDFCP7VT6GEHFUQ · pith_short_8: NHDFCP7V

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/NHDFCP7VT6GEHFUQEGFZWXUIJQ \
  | 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: 69c6513ff59f8c439690218b9b5e884c059f69d79f99406408bc55b1f403073c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2abfd9ea8621d6c6e730fb3616920e8d0bb14d07397c69ab0b7d7e9e6f9272ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-08T14:18:34Z",
    "title_canon_sha256": "6b6568255398d3fb84701389d59ee2124e9a4bda1ba841110a067b0c6934c0aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.02655",
    "kind": "arxiv",
    "version": 1
  }
}