Pith Number

pith:J5FUQGEO

pith:2018:J5FUQGEOIPKVXJ4XIFTZB6JH7N

not attested not anchored not stored refs pending

Detection of a 6.7 GHz methanol kilomaser toward NGC4945

2), (2) CSIRO Astronomy, (3) University of Sydney), Maxim Voronkov (2) ((1) University of Tasmania, Shari Breen (3), Simon Ellingsen (1), Space Science, Tiege McCarty (1

arxiv:1810.09527 v2 · 2018-10-22 · 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{J5FUQGEOIPKVXJ4XIFTZB6JH7N}

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	2026-05-18T00:02:24.507911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f4b48188e43d55ba797416790f927fb49e75efb70bd030865e3c3dc8989255e

Aliases

arxiv: 1810.09527 · arxiv_version: 1810.09527v2 · doi: 10.48550/arxiv.1810.09527 · pith_short_12: J5FUQGEOIPKV · pith_short_16: J5FUQGEOIPKVXJ4X · pith_short_8: J5FUQGEO

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/J5FUQGEOIPKVXJ4XIFTZB6JH7N \
  | 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: 4f4b48188e43d55ba797416790f927fb49e75efb70bd030865e3c3dc8989255e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddeb1eed31f947a43ed15d18119133491eb0d70ebf8a5aad9cfe5dbda5f751d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-10-22T20:13:49Z",
    "title_canon_sha256": "6ff3dd0b602f6dbd1f97353332c799b214e62c28f6cb6a15e4563bd787dbc531"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09527",
    "kind": "arxiv",
    "version": 2
  }
}