Pith Number

pith:SL2XQBTH

pith:2021:SL2XQBTHZNFAMOXI4E22XJXVND

not attested not anchored not stored refs pending

Unravelling the origin of extended radio emission in narrow-line Seyfert 1 galaxies with the JVLA

Emilia J\"arvel\"a, Enrico Congiu, Luca Crepaldi, Marco Berton, Robert Antonucci, Rohan Dahale

arxiv:2109.07841 v1 · 2021-09-16 · 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{SL2XQBTHZNFAMOXI4E22XJXVND}

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	2026-07-05T03:51:33.000656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92f5780667cb4a063ae8e135aba6f568f9261bb41a72ebe960e24b1944cefe4b

Aliases

arxiv: 2109.07841 · arxiv_version: 2109.07841v1 · doi: 10.48550/arxiv.2109.07841 · pith_short_12: SL2XQBTHZNFA · pith_short_16: SL2XQBTHZNFAMOXI · pith_short_8: SL2XQBTH

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/SL2XQBTHZNFAMOXI4E22XJXVND \
  | 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: 92f5780667cb4a063ae8e135aba6f568f9261bb41a72ebe960e24b1944cefe4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53c3c65104b2e7b3df3801662e60a5b5388fc668d0169d6387a0fbcc54f92b7d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-09-16T10:10:22Z",
    "title_canon_sha256": "9d3144309ef5542c143071b6b274cc061c4b575d77c8c4ecc0549175381890e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.07841",
    "kind": "arxiv",
    "version": 1
  }
}