Pith Number

pith:EXZY2VZD

pith:2015:EXZY2VZDKYCNY4MZ7AZPRYBXCL

not attested not anchored not stored refs pending

Detection of a methanol megamaser in a major-merger galaxy

Hai-Hua Qiao, Juan Li, Shari L. Breen, Simon P. Ellingsen, Tao An, Willem A. Baan, Xi Chen

arxiv:1501.05412 v1 · 2015-01-22 · 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{EXZY2VZDKYCNY4MZ7AZPRYBXCL}

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	2026-05-18T01:41:09.426838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25f38d57235604dc7199f832f8e03712f6d0ac871a1d1b9472c4152dbe4bdba4

Aliases

arxiv: 1501.05412 · arxiv_version: 1501.05412v1 · doi: 10.48550/arxiv.1501.05412 · pith_short_12: EXZY2VZDKYCN · pith_short_16: EXZY2VZDKYCNY4MZ · pith_short_8: EXZY2VZD

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/EXZY2VZDKYCNY4MZ7AZPRYBXCL \
  | 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: 25f38d57235604dc7199f832f8e03712f6d0ac871a1d1b9472c4152dbe4bdba4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de9e2c88c7c6647f00677498e8cce1c995119323fd7b79818f5d1f5ff292a9de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-01-22T07:28:06Z",
    "title_canon_sha256": "3535fb3c6858c871a7ce43d7f5dcdfb041331a4f29a40fc704cb3bd46ea8bcda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05412",
    "kind": "arxiv",
    "version": 1
  }
}