Pith Number

pith:WOYSGTH4

pith:2021:WOYSGTH4O5G5AJB3SO3WX5KTLG

not attested not anchored not stored refs pending

The HI absorption zoo: JVLA extension to $z \sim 0.4$

Filippo M. Maccagni, Raffaella Morganti, Suma Murthy, Tom Oosterloo

arxiv:2108.08122 v1 · 2021-08-18 · 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{WOYSGTH4O5G5AJB3SO3WX5KTLG}

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	2026-07-05T03:23:47.441129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3b1234cfc774dd0243b93b76bf5535999a52f75a7894bf6172a70af5012f993

Aliases

arxiv: 2108.08122 · arxiv_version: 2108.08122v1 · doi: 10.48550/arxiv.2108.08122 · pith_short_12: WOYSGTH4O5G5 · pith_short_16: WOYSGTH4O5G5AJB3 · pith_short_8: WOYSGTH4

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/WOYSGTH4O5G5AJB3SO3WX5KTLG \
  | 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: b3b1234cfc774dd0243b93b76bf5535999a52f75a7894bf6172a70af5012f993

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aee22a3dadd338789450bd54d2251b8c0da9ccde958130f4b2ec43c97b7e6b87",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-08-18T12:47:16Z",
    "title_canon_sha256": "d93e6e64030139b3805f2041717fa9e3f4a6017c4b061e83128e5edb93038ea6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.08122",
    "kind": "arxiv",
    "version": 1
  }
}