Pith Number

pith:OT74EYOZ

pith:2023:OT74EYOZLWVBSJKBXK4VCTHSCY

not attested not anchored not stored refs pending

Catalog of Planetary Nebulae detected by GALEX and corollary optical surveys

A. Manchado, L. Bianchi, M. A. G\'omez-Mu\~noz

arxiv:2304.01970 v1 · 2023-04-04 · 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{OT74EYOZLWVBSJKBXK4VCTHSCY}

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	2026-07-05T06:19:40.416217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74ffc261d95daa192541bab9514cf2160343a9b068d13fc0cf6a1e0e7f447dbf

Aliases

arxiv: 2304.01970 · arxiv_version: 2304.01970v1 · doi: 10.48550/arxiv.2304.01970 · pith_short_12: OT74EYOZLWVB · pith_short_16: OT74EYOZLWVBSJKB · pith_short_8: OT74EYOZ

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/OT74EYOZLWVBSJKBXK4VCTHSCY \
  | 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: 74ffc261d95daa192541bab9514cf2160343a9b068d13fc0cf6a1e0e7f447dbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcf2efe28d3f4b987b2668485dda62d39fb59b561c3f149b07010167b0d4b3e6",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-04-04T17:28:10Z",
    "title_canon_sha256": "7038bb153b4435feaabda829d9c373f3c32d8ee3c9573593999b629cf7102663"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.01970",
    "kind": "arxiv",
    "version": 1
  }
}