Pith Number

pith:RZEK7FSV

pith:2019:RZEK7FSVMDINIZZNXJV4CTKO7M

not attested not anchored not stored refs pending

Four newly discovered HII galaxies

A. Lopez, B. Guegan6, M. Koenig, O. Garde, P. Dubreuil, P. Le D\^u

arxiv:1906.09612 v1 · 2019-06-23 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RZEK7FSVMDINIZZNXJV4CTKO7M}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:42:37.363473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e48af965560d0d4672dba6bc14d4efb2a392640aa9a5f892dcf094f7b7d6e08

Aliases

arxiv: 1906.09612 · arxiv_version: 1906.09612v1 · doi: 10.48550/arxiv.1906.09612 · pith_short_12: RZEK7FSVMDIN · pith_short_16: RZEK7FSVMDINIZZN · pith_short_8: RZEK7FSV

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/RZEK7FSVMDINIZZNXJV4CTKO7M \
  | 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: 8e48af965560d0d4672dba6bc14d4efb2a392640aa9a5f892dcf094f7b7d6e08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54fad3816ad80c40493bea6fce45ea1852dd2ec7a8606506caa901d7b1f9857d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-06-23T17:23:44Z",
    "title_canon_sha256": "b77631e10dae8341fb60958faffac4822aae0683992677ac7b8b6a78b223fe43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09612",
    "kind": "arxiv",
    "version": 1
  }
}