Pith Number

pith:5UQ7LNIU

pith:2010:5UQ7LNIUE3RTCOQGIQ4TN4XEBC

not attested not anchored not stored refs pending

Mapping and Spectroscopy of the Planetary Nebula NGC 7009 in the Visual and Infrared

G. Ramos-Larios, J. P. Phillips, L. Cuesta

arxiv:1008.4178 v1 · 2010-08-24 · 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{5UQ7LNIUE3RTCOQGIQ4TN4XEBC}

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	2026-07-04T23:57:43.249440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed21f5b51426e3313a06443936f2e4088dd3dd00b023da326195778bd7e79035

Aliases

arxiv: 1008.4178 · arxiv_version: 1008.4178v1 · doi: 10.48550/arxiv.1008.4178 · pith_short_12: 5UQ7LNIUE3RT · pith_short_16: 5UQ7LNIUE3RTCOQG · pith_short_8: 5UQ7LNIU

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/5UQ7LNIUE3RTCOQGIQ4TN4XEBC \
  | 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: ed21f5b51426e3313a06443936f2e4088dd3dd00b023da326195778bd7e79035

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d27f35f7a3d6f6166d1b48d905e31ff05f2400ae58b599efc15b2f45334035f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-08-24T23:49:20Z",
    "title_canon_sha256": "1e21e2774818d6021b6597e0c4ede390c95acc2b5b2497b86a1067c78108be45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.4178",
    "kind": "arxiv",
    "version": 1
  }
}