Pith Number

pith:2CE3755Y

pith:2018:2CE3755Y4R3LUPJMRUIPN2D3YE

not attested not anchored not stored refs pending

Direct detection and characterization of M-dwarf planets using light echoes

Holland C. Ford, Richard L. White, Roxana E. Lupu, William B. Sparks

arxiv:1801.01144 v1 · 2018-01-03 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2CE3755Y4R3LUPJMRUIPN2D3YE}

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	2026-05-18T00:22:23.411677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d089bff7b8e476ba3d2c8d10f6e87bc1375975451830f8ec2ab233baca84c69c

Aliases

arxiv: 1801.01144 · arxiv_version: 1801.01144v1 · doi: 10.48550/arxiv.1801.01144 · pith_short_12: 2CE3755Y4R3L · pith_short_16: 2CE3755Y4R3LUPJM · pith_short_8: 2CE3755Y

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/2CE3755Y4R3LUPJMRUIPN2D3YE \
  | 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: d089bff7b8e476ba3d2c8d10f6e87bc1375975451830f8ec2ab233baca84c69c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96e651e08c376670ca6813e06e9143051a4250b3475334d53aea121b292d39bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-01-03T19:16:14Z",
    "title_canon_sha256": "d6cef72d35f2f6cfffd4fdf98742c0f9928780d2afda5a5805f3073a2464b7f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01144",
    "kind": "arxiv",
    "version": 1
  }
}