Pith Number

pith:IZ7732W7

pith:2016:IZ7732W7R773HZCW6JNCYCK2U4

not attested not anchored not stored refs pending

The extinction and dust-to-gas structure of the planetary nebula NGC 7009 observed with MUSE

(2) GEPI, (3) University College London, (4) University of Denver, (5) University of Manchester), A. A. Zijlstra (5) ((1) ESO, A. Monreal-Ibero (2), J. R. Walsh (1), M. J. Barlow (3), Observatoire de Paris, R. Wesson (1), T. Ueta (4)

arxiv:1602.06788 v1 · 2016-02-22 · 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{IZ7732W7R773HZCW6JNCYCK2U4}

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	2026-05-18T01:17:17.222791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

467ffdeadf8fffb3e456f25a2c095aa733ebd2f34a781e798c2c9f906a91dc0d

Aliases

arxiv: 1602.06788 · arxiv_version: 1602.06788v1 · doi: 10.48550/arxiv.1602.06788 · pith_short_12: IZ7732W7R773 · pith_short_16: IZ7732W7R773HZCW · pith_short_8: IZ7732W7

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/IZ7732W7R773HZCW6JNCYCK2U4 \
  | 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: 467ffdeadf8fffb3e456f25a2c095aa733ebd2f34a781e798c2c9f906a91dc0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "907bbaddfa74d5fa51963cc89ac502874b423aab68d7f9e7b446b7e1e2187af9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-02-22T14:30:04Z",
    "title_canon_sha256": "e60e7d9f0759f3e90b8e820cdb716cb166a5913f857c96173530989c0ff3b4d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06788",
    "kind": "arxiv",
    "version": 1
  }
}