Pith Number

pith:7EZ4HJ7T

pith:2015:7EZ4HJ7TXA2ZEXH4ILC4D6LYRH

not attested not anchored not stored refs pending

Low-ionization structures in planetary nebulae - I: physical, kinematic and excitation properties

Denise R. Gon\c{c}alves, Stavros Akras

arxiv:1509.05346 v1 · 2015-09-17 · 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{7EZ4HJ7TXA2ZEXH4ILC4D6LYRH}

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	2026-05-18T01:26:41.520571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f933c3a7f3b835925cfc42c5c1f97889fb2e96412ae8b77c83abe930760f0cf5

Aliases

arxiv: 1509.05346 · arxiv_version: 1509.05346v1 · doi: 10.48550/arxiv.1509.05346 · pith_short_12: 7EZ4HJ7TXA2Z · pith_short_16: 7EZ4HJ7TXA2ZEXH4 · pith_short_8: 7EZ4HJ7T

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/7EZ4HJ7TXA2ZEXH4ILC4D6LYRH \
  | 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: f933c3a7f3b835925cfc42c5c1f97889fb2e96412ae8b77c83abe930760f0cf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75b1a7cae76cd8dacb06ec6b238cf8ef0b9c09c8d95da5c3b67797af5aa57cbf",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-17T17:53:13Z",
    "title_canon_sha256": "f5f8e01355d97b72999ed27e92619b026e74c34289e909138da3347ff5201267"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05346",
    "kind": "arxiv",
    "version": 1
  }
}