Pith Number

pith:ZFAJU4HU

pith:2019:ZFAJU4HUTWFALI65KMMQKL3JAK

not attested not anchored not stored refs pending

Observations of the 86 GHz SiO maser sources in the Central Parsec of the Galactic Centre

A. Borkar, A. Donea, A. Eckart, A. Zensus, C. Straubmeier, D. Kunneriath, L. Moser, L. O. Sjouwerman, M. Valencia-S, S. Britzen, V. Karas

arxiv:1909.13753 v1 · 2019-09-30 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZFAJU4HUTWFALI65KMMQKL3JAK}

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	2026-07-05T00:08:13.591239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9409a70f49d8a05a3dd5319052f69029123b83b85037f9f2618dd50a87c28e3

Aliases

arxiv: 1909.13753 · arxiv_version: 1909.13753v1 · doi: 10.48550/arxiv.1909.13753 · pith_short_12: ZFAJU4HUTWFA · pith_short_16: ZFAJU4HUTWFALI65 · pith_short_8: ZFAJU4HU

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/ZFAJU4HUTWFALI65KMMQKL3JAK \
  | 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: c9409a70f49d8a05a3dd5319052f69029123b83b85037f9f2618dd50a87c28e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02498e9e7012cbb04f9edfd7292d18fc0ff031f42c9d541b8fc794ff91fc4446",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-09-30T14:41:32Z",
    "title_canon_sha256": "67d446ee9295f6d2df2383b6e1baed88916d33c788c92c69e8d21d170e8b0ed6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.13753",
    "kind": "arxiv",
    "version": 1
  }
}