Pith Number

pith:HHECNGCB

pith:2021:HHECNGCBP2D66EC64RGHOISMFX

not attested not anchored not stored refs pending

A VLA Census of the Galactic H II Region Population

Dana S. Balser, Loren D. Anderson, Thomas M. Bania, Trey V. Wenger, William P. Armentrout

arxiv:2103.02049 v1 · 2021-03-02 · 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{HHECNGCBP2D66EC64RGHOISMFX}

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.

Cited by

1 paper in Pith

Constraints on the properties of warm ionized gas from low-frequency hydrogen radio recombination lines

Receipt and verification

First computed	2026-07-05T02:23:54.763951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39c82698417e87ef105ee44c77224c2dffa3321a9bcdd000723ae6507f3db7cb

Aliases

arxiv: 2103.02049 · arxiv_version: 2103.02049v1 · doi: 10.48550/arxiv.2103.02049 · pith_short_12: HHECNGCBP2D6 · pith_short_16: HHECNGCBP2D66EC6 · pith_short_8: HHECNGCB

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/HHECNGCBP2D66EC64RGHOISMFX \
  | 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: 39c82698417e87ef105ee44c77224c2dffa3321a9bcdd000723ae6507f3db7cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df11a3fcab786373140a73ccefd5c6cf79655ff27894c4b5033a5fbdac78d279",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-03-02T21:56:37Z",
    "title_canon_sha256": "35837e1aba0c1bab4e31a3758438a032ce2c781c10a27be9bcc7d8ce4acfa99c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.02049",
    "kind": "arxiv",
    "version": 1
  }
}