Pith Number

pith:VGCOININ

pith:2017:VGCOININS6DAPUGADKNKQXZKTF

not attested not anchored not stored refs pending

IFU spectroscopy of Southern Planetary Nebulae V: Low-ionization structures

A. Ali, M.A. Dopita

arxiv:1707.09650 v1 · 2017-07-30 · 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{VGCOININS6DAPUGADKNKQXZKTF}

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	2026-05-18T00:31:12.122160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a984e4350d978607d0c01a9aa85f2a994672e03693b9f957529a96d11357e2dc

Aliases

arxiv: 1707.09650 · arxiv_version: 1707.09650v1 · doi: 10.48550/arxiv.1707.09650 · pith_short_12: VGCOININS6DA · pith_short_16: VGCOININS6DAPUGA · pith_short_8: VGCOININ

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/VGCOININS6DAPUGADKNKQXZKTF \
  | 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: a984e4350d978607d0c01a9aa85f2a994672e03693b9f957529a96d11357e2dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e1646bb726d6b7b8ae70a136b0d03287d5e6eb62ae7e9ba424495df90313d65",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-07-30T17:49:40Z",
    "title_canon_sha256": "2b3b8706e0512723cc9148ad982023eb99f8666e161891eadd0ce71a0155aa2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09650",
    "kind": "arxiv",
    "version": 1
  }
}