Pith Number

pith:QJB6FT7L

pith:2019:QJB6FT7LM35ECFLZ23ICD2EDRG

not attested not anchored not stored refs pending

The first 62 AGN observed with SDSS-IV MaNGA - IV: gas excitation and star-formation rate distributions

Alice D. Machado, Gabriele S. Ilha, J\'aderson Schimoia, Jana\'ina C. do Nascimento, Luiz Nicolaci da Costa, Marcio A.G. Maia, N\'icolas D. Mallmann, Rogemar A. Riffel, Rog\'erio Riffel, Sandro B. Rembold, Thaisa Storchi-Bergmann

arxiv:1904.06416 v1 · 2019-04-12 · 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{QJB6FT7LM35ECFLZ23ICD2EDRG}

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	2026-05-17T23:47:55.555551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8243e2cfeb66fa411579d6d021e88389aa89f175884868e57e24921bc6369f02

Aliases

arxiv: 1904.06416 · arxiv_version: 1904.06416v1 · doi: 10.48550/arxiv.1904.06416 · pith_short_12: QJB6FT7LM35E · pith_short_16: QJB6FT7LM35ECFLZ · pith_short_8: QJB6FT7L

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/QJB6FT7LM35ECFLZ23ICD2EDRG \
  | 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: 8243e2cfeb66fa411579d6d021e88389aa89f175884868e57e24921bc6369f02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a201fbdfadd844d4e64795dff41e332f3015e8da7f573832c7ae36f7b0057d3b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-12T20:57:13Z",
    "title_canon_sha256": "c7d0dde6676be3a3d37b32d257cb2e98e496aee129bcc3a853afcf7676282c33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06416",
    "kind": "arxiv",
    "version": 1
  }
}