pith. sign in
Pith Number

pith:PXIWDZGK

pith:2014:PXIWDZGKYEJ3Z2PN3SNJS7UU7M
not attested not anchored not stored refs pending

The HI absorption "Zoo"

F.M. Maccagni, K. Gereb, R. Morganti, T.A. Oosterloo

arxiv:1411.0361 v3 · 2014-11-03 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PXIWDZGKYEJ3Z2PN3SNJS7UU7M}

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 2026-05-18T01:41:36.050389Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7dd161e4cac113bce9eddc9a997e94fb0380a34a114633be9d558ca208855066

Aliases

arxiv: 1411.0361 · arxiv_version: 1411.0361v3 · doi: 10.48550/arxiv.1411.0361 · pith_short_12: PXIWDZGKYEJ3 · pith_short_16: PXIWDZGKYEJ3Z2PN · pith_short_8: PXIWDZGK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PXIWDZGKYEJ3Z2PN3SNJS7UU7M \
  | 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: 7dd161e4cac113bce9eddc9a997e94fb0380a34a114633be9d558ca208855066
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "10771a8a582111d23581b0ca87ef5c4c4fdd141d9b031a16848120fd7d982e48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-11-03T04:39:06Z",
    "title_canon_sha256": "26facd68736f69ab7a83d508eb39eddf61cc13e8b0c0da5f76ced586b691edce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.0361",
    "kind": "arxiv",
    "version": 3
  }
}