Pith Number

pith:V5KKXORZ

pith:2019:V5KKXORZUDPEQOELMIEKKNP4F6

not attested not anchored not stored refs pending

IFU spectroscopy of Southern PNe: VII Photo-ionization modelling of intermediate excitation class objects

A. Ali, M.A. Dopita

arxiv:1902.00742 v1 · 2019-02-02 · 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{V5KKXORZUDPEQOELMIEKKNP4F6}

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	2026-05-17T23:54:52.296136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af54abba39a0de48388b6208a535fc2fbda52091a6ae0913bedf91ee0ea6328b

Aliases

arxiv: 1902.00742 · arxiv_version: 1902.00742v1 · doi: 10.48550/arxiv.1902.00742 · pith_short_12: V5KKXORZUDPE · pith_short_16: V5KKXORZUDPEQOEL · pith_short_8: V5KKXORZ

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/V5KKXORZUDPEQOELMIEKKNP4F6 \
  | 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: af54abba39a0de48388b6208a535fc2fbda52091a6ae0913bedf91ee0ea6328b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c2d5c1947f751068f372c0bb3019adea38e25adabb40e42cd0a952fe0830ea2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-02T16:10:40Z",
    "title_canon_sha256": "d8382b81130d075a681677b8e863b0cddd068f04fadf3977acea8899c1f5d0c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00742",
    "kind": "arxiv",
    "version": 1
  }
}