Pith Number

pith:72WODRDG

pith:2020:72WODRDGQSSOEWDPYVVMNNNYOJ

not attested not anchored not stored refs pending

Time Variations in the Flux Density of Sgr A* at 230 GHz Detected with ALMA

Makoto Miyoshi, Masato Tsuboi, Shunya Takekawa, Tomoharu Oka, Yuhei Iwata

arxiv:2003.08601 v1 · 2020-03-19 · astro-ph.HE · 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{72WODRDGQSSOEWDPYVVMNNNYOJ}

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	2026-07-05T00:53:20.024242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feace1c46684a4e2586fc56ac6b5b872547ef8c7aee1ca85eee4f54cfa622e09

Aliases

arxiv: 2003.08601 · arxiv_version: 2003.08601v1 · doi: 10.48550/arxiv.2003.08601 · pith_short_12: 72WODRDGQSSO · pith_short_16: 72WODRDGQSSOEWDP · pith_short_8: 72WODRDG

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/72WODRDGQSSOEWDPYVVMNNNYOJ \
  | 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: feace1c46684a4e2586fc56ac6b5b872547ef8c7aee1ca85eee4f54cfa622e09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e13ae6511ef06a383b49eb81a26fe7a7e234e1bcd2657ebac87992ed2d9d89a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-03-19T07:00:23Z",
    "title_canon_sha256": "bb558566b829adda72e0a555fcc1019974998ca924ec68484d01d23645ee81e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.08601",
    "kind": "arxiv",
    "version": 1
  }
}