Pith Number

pith:HKERP5OB

pith:2019:HKERP5OBU5HGUQFVN2UVKOB76Y

not attested not anchored not stored refs pending

The origin of R CrA variability: A complex triple system hosting a disk

D. Mesa, E. Rigliaco, E. Sissa, J.M. Alcala, R. Gratton, S. Desidera, S. Messina, V. D'Orazi

arxiv:1908.07256 v1 · 2019-08-20 · 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{HKERP5OBU5HGUQFVN2UVKOB76Y}

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	2026-07-05T00:12:05.047892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a8917f5c1a74e6a40b56ea955383ff6056ac028b823e8a03bcf2dcdc5d246ce

Aliases

arxiv: 1908.07256 · arxiv_version: 1908.07256v1 · doi: 10.48550/arxiv.1908.07256 · pith_short_12: HKERP5OBU5HG · pith_short_16: HKERP5OBU5HGUQFV · pith_short_8: HKERP5OB

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/HKERP5OBU5HGUQFVN2UVKOB76Y \
  | 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: 3a8917f5c1a74e6a40b56ea955383ff6056ac028b823e8a03bcf2dcdc5d246ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5270cb51de41e7fd26cf55207e9f987f2d3c5ae34fb8a25ba87a76fcc72e9f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-08-20T10:03:24Z",
    "title_canon_sha256": "b4c09f63fd0a62eb8fac6e003624549d9caa921bd47c3f98b42bff70c6135cf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07256",
    "kind": "arxiv",
    "version": 1
  }
}