Pith Number

pith:IAX55K7V

pith:2016:IAX55K7VILHCQ6SZ77PEVVUFYJ

not attested not anchored not stored refs pending

Search for sub-millimeter H2O masers in active galaxies - the detection of a 321 GHz H2O maser in NGC4945

Akihiro Doi, Makoto Miyoshi, Philip G. Edwards, Shinji Horiuchi, Yoshiaki Hagiwara

arxiv:1604.07937 v2 · 2016-04-27 · 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{IAX55K7VILHCQ6SZ77PEVVUFYJ}

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	2026-05-18T01:08:41.724043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

402fdeabf542ce287a59ffde4ad685c25c387f5d72a88107d1dbf4f1782a69af

Aliases

arxiv: 1604.07937 · arxiv_version: 1604.07937v2 · doi: 10.48550/arxiv.1604.07937 · pith_short_12: IAX55K7VILHC · pith_short_16: IAX55K7VILHCQ6SZ · pith_short_8: IAX55K7V

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/IAX55K7VILHCQ6SZ77PEVVUFYJ \
  | 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: 402fdeabf542ce287a59ffde4ad685c25c387f5d72a88107d1dbf4f1782a69af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "646e21d0e31789eed8d36aded2b1e07699445d688171c8d5d14cfb197b5680fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-04-27T05:31:22Z",
    "title_canon_sha256": "23d866ff3aaa65b4da54f46f76bf7517fa287d6dfae5a278c4ae5bbe8dab7326"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07937",
    "kind": "arxiv",
    "version": 2
  }
}