Pith Number

pith:QCFY5VD4

pith:2018:QCFY5VD43L6L4MNQWLU3Q6M6ZF

not attested not anchored not stored refs pending

New Galactic Planetary Nebulae selected by radio and multi-wavelength characteristics

Ivan S. Bojicic, Nazim Aksaker, Quentin A. Parker, Vasiliki Fragkou

arxiv:1807.08752 v1 · 2018-07-23 · 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{QCFY5VD43L6L4MNQWLU3Q6M6ZF}

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	2026-05-18T00:08:37.933109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

808b8ed47cdafcbe31b0b2e9b8799ec9792ac0e4916ec35791e6cead8de79715

Aliases

arxiv: 1807.08752 · arxiv_version: 1807.08752v1 · doi: 10.48550/arxiv.1807.08752 · pith_short_12: QCFY5VD43L6L · pith_short_16: QCFY5VD43L6L4MNQ · pith_short_8: QCFY5VD4

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/QCFY5VD43L6L4MNQWLU3Q6M6ZF \
  | 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: 808b8ed47cdafcbe31b0b2e9b8799ec9792ac0e4916ec35791e6cead8de79715

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac994dc7171f71c949d568ac3070d5cad32c76bba0139cf206e475567a66c288",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-23T17:09:26Z",
    "title_canon_sha256": "4e00faefc1ca259b44263ae00b927c36c5df7c2b644d9b2c530ba98454aa4ecf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08752",
    "kind": "arxiv",
    "version": 1
  }
}