Pith Number

pith:TEPOFDQL

pith:2019:TEPOFDQLBOLQ5NB2YSBCXK6IA7

not attested not anchored not stored refs pending

A Cepheid-Based Distance to the Seyfert Galaxy NGC 6814

Bradley M. Peterson, Christopher A. Onken, Laura Ferrarese, Misty C. Bentz, Monica Valluri

arxiv:1910.00666 v1 · 2019-10-01 · 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{TEPOFDQLBOLQ5NB2YSBCXK6IA7}

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	2026-07-05T00:30:26.470555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

991ee28e0b0b970eb43ac4822babc807d972bca9173e47dbb36a06b8f35f86ba

Aliases

arxiv: 1910.00666 · arxiv_version: 1910.00666v1 · doi: 10.48550/arxiv.1910.00666 · pith_short_12: TEPOFDQLBOLQ · pith_short_16: TEPOFDQLBOLQ5NB2 · pith_short_8: TEPOFDQL

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/TEPOFDQLBOLQ5NB2YSBCXK6IA7 \
  | 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: 991ee28e0b0b970eb43ac4822babc807d972bca9173e47dbb36a06b8f35f86ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b6b5b27502b7ef31f46dfb2bcb5b230508350999243983adf12b37799d1dd16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-10-01T21:07:34Z",
    "title_canon_sha256": "d98a999390b51ac7bed63ed962de6af8b4857ee5f2a36515f1624432fcf58914"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.00666",
    "kind": "arxiv",
    "version": 1
  }
}