Pith Number

pith:Z4NBYHEN

pith:2019:Z4NBYHENHRRGVBYLCQUNI5F5QH

not attested not anchored not stored refs pending

ALMA Observations of the Terahertz Spectrum of Sagittarius A*

Alison Peck, Christiaan D. Brinkerink, Daniel P. Marrone, Geoffrey C. Bower, Heino Falcke, Jason Dexter, Keiichi Asada, Makoto Inoue, Masanori Nakamura, Monika Moscibrodzka, Paul Ho, Ramprasad Rao, Satoki Matsushita, Sera Markoff

arxiv:1907.08319 v1 · 2019-07-18 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z4NBYHENHRRGVBYLCQUNI5F5QH}

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.

Cited by

1 paper in Pith

A Jet from a Nearly Dormant Black Hole

Receipt and verification

First computed	2026-07-04T23:55:47.242655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf1a1c1c8d3c626a870b1428d474bd81edb0b49913efcce411b1614614c72e84

Aliases

arxiv: 1907.08319 · arxiv_version: 1907.08319v1 · doi: 10.48550/arxiv.1907.08319 · pith_short_12: Z4NBYHENHRRG · pith_short_16: Z4NBYHENHRRGVBYL · pith_short_8: Z4NBYHEN

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/Z4NBYHENHRRGVBYLCQUNI5F5QH \
  | 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: cf1a1c1c8d3c626a870b1428d474bd81edb0b49913efcce411b1614614c72e84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "879c32a2e8598b4df999f9467ece57959bb56697ecf63a59df5115362d702bcb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-07-18T23:41:44Z",
    "title_canon_sha256": "8dee0e0a17e458e747b3f83474aea8cc880db1731749dd2b453bc441c4e0e30a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08319",
    "kind": "arxiv",
    "version": 1
  }
}