Pith Number

pith:DZSFSGDC

pith:2017:DZSFSGDCQGDJJQOSYSXO5WTC5I

not attested not anchored not stored refs pending

Testing the physical driver of Eigenvector 1 in Quasar Main Sequence

Bo\.zena Czerny, Conor Wildy, Marzena \'Sniegowska, Swayamtrupta Panda

arxiv:1712.05176 v1 · 2017-12-14 · astro-ph.HE · 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{DZSFSGDCQGDJJQOSYSXO5WTC5I}

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	2026-05-18T00:27:58.669726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e64591862818694c1d2c4aeeeda62ea036cedc6cd289cb4bb70360b0e01a494

Aliases

arxiv: 1712.05176 · arxiv_version: 1712.05176v1 · doi: 10.48550/arxiv.1712.05176 · pith_short_12: DZSFSGDCQGDJ · pith_short_16: DZSFSGDCQGDJJQOS · pith_short_8: DZSFSGDC

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/DZSFSGDCQGDJJQOSYSXO5WTC5I \
  | 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: 1e64591862818694c1d2c4aeeeda62ea036cedc6cd289cb4bb70360b0e01a494

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14fa01606f4b2f4643ed0efc984987a2a4e101554f680e69d450171f75f4f29e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-12-14T11:16:38Z",
    "title_canon_sha256": "60fe31f8ec87dcc545848e9dbd80b451ec71555ffe32b572409b86eacbabb7dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05176",
    "kind": "arxiv",
    "version": 1
  }
}