Pith Number

pith:ITUSJOCY

pith:2022:ITUSJOCYSPUGQJBAIG4DGA7D4F

not attested not anchored not stored refs pending

HR 6819 is a binary system with no black hole -- revisiting the source with infrared interferometry and optical integral field spectroscopy

A. J. Frost, A. Merand, C. Hawcroft, D. Baade, E. Bordier, F. Selman, G. Banyard, H. Sana, J. Bodensteiner, K. Dsilva, L. Mahy, M. Abdul-Masih, M. Cabezas, M. Heida, M. Reggiani, P. Hadrava, R. Klement, Th. Rivinius, T. Shenar

arxiv:2203.01359 v1 · 2022-03-02 · 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{ITUSJOCYSPUGQJBAIG4DGA7D4F}

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	2026-07-05T04:01:46.905482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44e924b85893e868242041b83303e3e14121634f7df1f7306c9afc35c00ac48c

Aliases

arxiv: 2203.01359 · arxiv_version: 2203.01359v1 · doi: 10.48550/arxiv.2203.01359 · pith_short_12: ITUSJOCYSPUG · pith_short_16: ITUSJOCYSPUGQJBA · pith_short_8: ITUSJOCY

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/ITUSJOCYSPUGQJBAIG4DGA7D4F \
  | 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: 44e924b85893e868242041b83303e3e14121634f7df1f7306c9afc35c00ac48c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efd6e79bbd8e610860038b6472c96f3f54e82d7d90c56cfb6155051285d37cde",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-03-02T19:05:07Z",
    "title_canon_sha256": "eaaa73f3cbf1c17a7829af23c722de327d62c64379bfb06579fd7af16aa34c3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.01359",
    "kind": "arxiv",
    "version": 1
  }
}