Pith Number

pith:JHD57SDG

pith:2018:JHD57SDGB7PWRLFOT6SFYAS3R4

not attested not anchored not stored refs pending

Dissecting the X-ray Emission in the Young Planetary Nebula NGC 7027

Joel H. Kastner, Rodolfo Montez Jr.

arxiv:1805.12134 v1 · 2018-05-30 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JHD57SDGB7PWRLFOT6SFYAS3R4}

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	2026-05-18T00:10:37.260862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49c7dfc8660fdf68acae9fa45c025b8f07544067cb7decf9c49d4a36d8cffaa0

Aliases

arxiv: 1805.12134 · arxiv_version: 1805.12134v1 · doi: 10.48550/arxiv.1805.12134 · pith_short_12: JHD57SDGB7PW · pith_short_16: JHD57SDGB7PWRLFO · pith_short_8: JHD57SDG

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/JHD57SDGB7PWRLFOT6SFYAS3R4 \
  | 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: 49c7dfc8660fdf68acae9fa45c025b8f07544067cb7decf9c49d4a36d8cffaa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fae9ac2d022942f5095b4bd39dcd4a6ce5c0c131fccf7632559d57cce405126b",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-30T18:00:01Z",
    "title_canon_sha256": "445948bb99a13d1563115a3e7890efe062742fb0e25a3f7abbcaef1254ea4352"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12134",
    "kind": "arxiv",
    "version": 1
  }
}