Pith Number

pith:DKP54WEQ

pith:2017:DKP54WEQ7DXLRVEAPQMAD6IIWA

not attested not anchored not stored refs pending

The Araucaria Project. The Distance to the Sculptor Group Galaxy NGC 7793 from Near-Infrared Photometry of Cepheid Variables

Bartlomiej Zgirski, Dariusz Graczyk, Fabio Bresolin, Grzegorz Pietrzynski, Marek Gorski, Paulina Karczmarek, Piotr Wielgorski, Rolf-Peter Kudritzki, Weronika Narloch, Wolfgang Gieren

arxiv:1709.00628 v1 · 2017-09-02 · astro-ph.SR · 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{DKP54WEQ7DXLRVEAPQMAD6IIWA}

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	2026-05-18T00:06:20.810880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a9fde5890f8eeb8d4807c1801f908b0186e0ee1282169d8009036921e56d31e

Aliases

arxiv: 1709.00628 · arxiv_version: 1709.00628v1 · doi: 10.48550/arxiv.1709.00628 · pith_short_12: DKP54WEQ7DXL · pith_short_16: DKP54WEQ7DXLRVEA · pith_short_8: DKP54WEQ

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/DKP54WEQ7DXLRVEAPQMAD6IIWA \
  | 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: 1a9fde5890f8eeb8d4807c1801f908b0186e0ee1282169d8009036921e56d31e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4252184aec348376019f1ffb6c16c53d717671ce56c124b6e16ee954b3c13c4e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-09-02T20:36:40Z",
    "title_canon_sha256": "fdf6eb24f1d02d4bb977265db5518ff733ca70781a06aee413d2e71a84352d0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00628",
    "kind": "arxiv",
    "version": 1
  }
}