Pith Number

pith:QNEKUZM5

pith:2019:QNEKUZM54Y6UZTATOXPKNIRTCB

not attested not anchored not stored refs pending

A Chromaticity Analysis and PSF Subtraction Techniques for SCExAO/CHARIS data

Benjamin L. Gerard, Christian Marois, Frantz Martinache, Gillian R. Knapp, Jeffrey K. Chilcote, Julien Lozi, Jungmi Kwon, Masahiko Hayashi, Michael W. McElwain, Motohide Tamura, Nemanja Jovanovic, Olivier Guyon, Taichi Uyama, Thayne Currie, Timothy D. Brandt, Tomoyuki Kudo, Tyler Groff, Zachary H. Draper

arxiv:1905.05821 v1 · 2019-05-14 · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QNEKUZM54Y6UZTATOXPKNIRTCB}

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	2026-05-17T23:41:08.616800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8348aa659de63d4ccc1375dea6a233104bbbcf4a0c845752cb2dd500ef854488

Aliases

arxiv: 1905.05821 · arxiv_version: 1905.05821v1 · doi: 10.48550/arxiv.1905.05821 · pith_short_12: QNEKUZM54Y6U · pith_short_16: QNEKUZM54Y6UZTAT · pith_short_8: QNEKUZM5

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/QNEKUZM54Y6UZTATOXPKNIRTCB \
  | 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: 8348aa659de63d4ccc1375dea6a233104bbbcf4a0c845752cb2dd500ef854488

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1676b48472ff90a4912da02e2238104b949d9103db24ec8daad101144ddc5970",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-05-14T20:13:33Z",
    "title_canon_sha256": "69a0e91665dee9328d3a6e5fab0a67281540fd5316651396b81c379aa85e096c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05821",
    "kind": "arxiv",
    "version": 1
  }
}