Pith Number

pith:CBX3RK3Q

pith:2016:CBX3RK3Q4RM6GEVPC7IN7KBXLK

not attested not anchored not stored refs pending

Extremely metal-poor galaxy DDO 68: the LBV, H-alpha shells and the most luminous stars

A.V. Moiseev, D.I. Makarov, L.N. Makarova, S.A. Pustilnik, Y.A. Perepelitsyna

arxiv:1611.08489 v1 · 2016-11-25 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CBX3RK3Q4RM6GEVPC7IN7KBXLK}

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	2026-05-18T00:56:38.845853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

106fb8ab70e459e312af17d0dfa8375a888edc929cb91db3624e117d4d12dd51

Aliases

arxiv: 1611.08489 · arxiv_version: 1611.08489v1 · doi: 10.48550/arxiv.1611.08489 · pith_short_12: CBX3RK3Q4RM6 · pith_short_16: CBX3RK3Q4RM6GEVP · pith_short_8: CBX3RK3Q

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/CBX3RK3Q4RM6GEVPC7IN7KBXLK \
  | 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: 106fb8ab70e459e312af17d0dfa8375a888edc929cb91db3624e117d4d12dd51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddcaf3de448661552e1f77330a5439ed9f54470c8e335da03ce72164b041da0e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-11-25T15:22:11Z",
    "title_canon_sha256": "16567edb82a0789ecf07cd968262c3f2062a87ba77fcdb36bf085fa9f0b600bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.08489",
    "kind": "arxiv",
    "version": 1
  }
}