Pith Number

pith:YNTYY6HU

pith:2022:YNTYY6HURCPFTXFRQDB2MBDBM5

not attested not anchored not stored refs pending

Infrared line emissions from atoms and atomic ions in NGC 7027: improved wavelength determinations for infrared metal lines and a probable detection of Zn$^{5+}$

David A. Neufeld (JHU)

arxiv:2205.05796 v1 · 2022-05-11 · 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{YNTYY6HURCPFTXFRQDB2MBDBM5}

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	2026-07-05T04:37:38.132373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3678c78f4889e59dcb180c3a60461675a704b08243260dd3e9f1f5b53ff893a

Aliases

arxiv: 2205.05796 · arxiv_version: 2205.05796v1 · doi: 10.48550/arxiv.2205.05796 · pith_short_12: YNTYY6HURCPF · pith_short_16: YNTYY6HURCPFTXFR · pith_short_8: YNTYY6HU

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/YNTYY6HURCPFTXFRQDB2MBDBM5 \
  | 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: c3678c78f4889e59dcb180c3a60461675a704b08243260dd3e9f1f5b53ff893a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "058d0a420b46fed7c6eaeedf1fa7c0574b1292190b5c78ca562292460576db53",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-05-11T22:46:05Z",
    "title_canon_sha256": "73e72f51a3f51605fbda3932e90002140dbfc86212c64aeeab1409a70f817de6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.05796",
    "kind": "arxiv",
    "version": 1
  }
}