Pith Number

pith:T53STX4W

pith:2013:T53STX4WZZWBMDAL5I4XOYYFCF

not attested not anchored not stored refs pending

The first high-resolution observations of 19.9-GHz methanol masers

Maxim Voronkov, Shari Breen, Simon Ellingsen, Vasaant Krishnan

arxiv:1306.2393 v1 · 2013-06-11 · 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{T53STX4WZZWBMDAL5I4XOYYFCF}

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	2026-05-18T01:49:23.924573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f7729df96ce6c160c0bea3977630511665fc0f80b7534557175e80f57f9dafc

Aliases

arxiv: 1306.2393 · arxiv_version: 1306.2393v1 · doi: 10.48550/arxiv.1306.2393 · pith_short_12: T53STX4WZZWB · pith_short_16: T53STX4WZZWBMDAL · pith_short_8: T53STX4W

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/T53STX4WZZWBMDAL5I4XOYYFCF \
  | 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: 9f7729df96ce6c160c0bea3977630511665fc0f80b7534557175e80f57f9dafc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd124a29092a01672a8bf9725968208d39434ff3245dc725864c20ad5102401b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-06-11T00:57:11Z",
    "title_canon_sha256": "4b4d0b3e02fd003b2b84f8f5a8691c524cb6adaa8da9f541226fa9574d564487"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2393",
    "kind": "arxiv",
    "version": 1
  }
}