Pith Number

pith:MR63YYNF

pith:2017:MR63YYNFXSYJ3Q6ZFE5UBJYOAF

not attested not anchored not stored refs pending

Survey of Water and Ammonia in Nearby galaxies (SWAN): Resolved Ammonia Thermometry, Water and Methanol Masers in the Nuclear Starburst of NGC 253

David S. Meier, Emmanuel Momjian, Eva Schinnerer, J\"urgen Ott, Mark Gorski, Richard Rand

arxiv:1705.07103 v1 · 2017-05-19 · 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{MR63YYNFXSYJ3Q6ZFE5UBJYOAF}

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	2026-05-18T00:41:23.915447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

647dbc61a5bcb09dc3d9293b40a70e0148dec6abea465cff59bbccd13087d8f7

Aliases

arxiv: 1705.07103 · arxiv_version: 1705.07103v1 · doi: 10.48550/arxiv.1705.07103 · pith_short_12: MR63YYNFXSYJ · pith_short_16: MR63YYNFXSYJ3Q6Z · pith_short_8: MR63YYNF

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/MR63YYNFXSYJ3Q6ZFE5UBJYOAF \
  | 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: 647dbc61a5bcb09dc3d9293b40a70e0148dec6abea465cff59bbccd13087d8f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6352042b0b10fec9ed746ae612bbb98c14a1a54077620f88a59cd2330499603e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-05-19T17:32:25Z",
    "title_canon_sha256": "3fc43b3fe0dbd9b45f350976e0d8481524c630a448da391198a667b977accda9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07103",
    "kind": "arxiv",
    "version": 1
  }
}