Pith Number

pith:MPB2BZH7

pith:2018:MPB2BZH72GYSFEDB43NH2JC7QX

not attested not anchored not stored refs pending

Speckle Interferometry of Red Dwarf Stars

Brian D. Mason, Deepak Raghavan, John P. Subasavage, Korie N. Miles, Todd J. Henry, William I. Hartkopf

arxiv:1804.07845 v1 · 2018-04-20 · 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{MPB2BZH72GYSFEDB43NH2JC7QX}

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	2026-05-18T00:15:54.673084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63c3a0e4ffd1b1229061e6da7d245f85f64add61b6ab3023c926eae614c847e6

Aliases

arxiv: 1804.07845 · arxiv_version: 1804.07845v1 · doi: 10.48550/arxiv.1804.07845 · pith_short_12: MPB2BZH72GYS · pith_short_16: MPB2BZH72GYSFEDB · pith_short_8: MPB2BZH7

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/MPB2BZH72GYSFEDB43NH2JC7QX \
  | 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: 63c3a0e4ffd1b1229061e6da7d245f85f64add61b6ab3023c926eae614c847e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fe080dbf3e8edb7fd2c71cee4a18729a906eda8bb05ce33149a2d069272a5b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-20T22:04:40Z",
    "title_canon_sha256": "3b20d502b8253fc47a5e738636a96b811384d1cf508994b78a5c531f63de56aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07845",
    "kind": "arxiv",
    "version": 1
  }
}