Pith Number

pith:WRLASE7P

pith:2023:WRLASE7PMTCD4MJD5WOVZSS6WX

not attested not anchored not stored refs pending

Monitoring the Size and Flux Density of Sgr A* during the Active State in 2019 with East Asian VLBI Network

Guang-Yao Zhao, Ilje Cho, Jee-Won Lee, Juan-Carlos Algaba, Junghwan Oh, Motoki Kino, Sang-Sung Lee, Tomohisa Kawashima, Whee Yeon Cheong, Wu Jiang, Xiaopeng Cheng, Yutaro Kofuji

arxiv:2303.04421 v1 · 2023-03-08 · astro-ph.HE · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WRLASE7PMTCD4MJD5WOVZSS6WX}

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	2026-07-05T05:56:29.158887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4560913ef64c43e3123ed9d5cca5eb5e8e55c009fa09b7bc04dfe451e33e409

Aliases

arxiv: 2303.04421 · arxiv_version: 2303.04421v1 · doi: 10.48550/arxiv.2303.04421 · pith_short_12: WRLASE7PMTCD · pith_short_16: WRLASE7PMTCD4MJD · pith_short_8: WRLASE7P

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/WRLASE7PMTCD4MJD5WOVZSS6WX \
  | 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: b4560913ef64c43e3123ed9d5cca5eb5e8e55c009fa09b7bc04dfe451e33e409

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f726d79ddff1436fd3797cf86dbd9897554d168bd4a88dc802c1d9a53a5aca5",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-03-08T07:45:42Z",
    "title_canon_sha256": "5226cc71270de81fcc8e081e350a39cfe992c1dd3faa6cc8249fe4a181610fcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.04421",
    "kind": "arxiv",
    "version": 1
  }
}