Pith Number

pith:7CUFO6QG

pith:2016:7CUFO6QGTKB4KGW2VIYCOA63Y2

not attested not anchored not stored refs pending

Imaging the elusive H-poor gas in planetary nebulae with large abundance discrepancy factors

1), 2), A. Cabrera-Lavers (3, D. Jones (1, H. M. J. Boffin (4), H. Monteiro (5), J. Garc\'ia-Rojas (1, P. Rodr\'iguez-Gil (1, R. L. M. Corradi (3, R. Wesson (6)

arxiv:1611.05486 v1 · 2016-11-16 · 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{7CUFO6QGTKB4KGW2VIYCOA63Y2}

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	2026-05-18T00:30:46.563951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8a8577a069a83c51adaaa302703dbc6bdf4e32662e4b3dde93ef1de8f53af93

Aliases

arxiv: 1611.05486 · arxiv_version: 1611.05486v1 · doi: 10.48550/arxiv.1611.05486 · pith_short_12: 7CUFO6QGTKB4 · pith_short_16: 7CUFO6QGTKB4KGW2 · pith_short_8: 7CUFO6QG

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/7CUFO6QGTKB4KGW2VIYCOA63Y2 \
  | 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: f8a8577a069a83c51adaaa302703dbc6bdf4e32662e4b3dde93ef1de8f53af93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f56f0345787bc504d9500e01d59fe230f43ff1415d22ad9a6f95ce65c9cbad55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-11-16T22:30:17Z",
    "title_canon_sha256": "98a876affcd73fa5630db7dca19c0d2cbf24e5466acfa797728d0bbe458a4455"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.05486",
    "kind": "arxiv",
    "version": 1
  }
}