Pith Number

pith:HDHDVGAX

pith:2016:HDHDVGAXNYW2GQUVFHRIXI2GLH

not attested not anchored not stored refs pending

Hubble Space Telescope: Snapshot Survey for Resolved Companions of Galactic Cepheids

Brian D. Mason, Evan Tingle, Gail H. Schaefer, Howard E. Bond, Ignazio Pillitteri, Margarita Karovska, Nancy Remage Evans

arxiv:1603.02224 v1 · 2016-03-07 · 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{HDHDVGAXNYW2GQUVFHRIXI2GLH}

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	2026-05-18T01:13:54.662676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38ce3a98176e2da3429529e28ba34659c7f0f84539da80bdb46299de36e57577

Aliases

arxiv: 1603.02224 · arxiv_version: 1603.02224v1 · doi: 10.48550/arxiv.1603.02224 · pith_short_12: HDHDVGAXNYW2 · pith_short_16: HDHDVGAXNYW2GQUV · pith_short_8: HDHDVGAX

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/HDHDVGAXNYW2GQUVFHRIXI2GLH \
  | 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: 38ce3a98176e2da3429529e28ba34659c7f0f84539da80bdb46299de36e57577

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5245dc03486dce40a60b8f868d42fca1207f30a66a37006117e374a1806b32cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-03-07T19:42:28Z",
    "title_canon_sha256": "248fe4427b865108c53cbf0d275931225806b546ab85c0b19371f6497e048422"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02224",
    "kind": "arxiv",
    "version": 1
  }
}