Pith Number

pith:CHQ6SD5V

pith:2018:CHQ6SD5VCJQS27MDFMQBMBSQJ2

not attested not anchored not stored refs pending

PynPoint: a modular pipeline architecture for processing and analysis of high-contrast imaging data

Adam Amara, Alexander J. Bohn, Anna Boehle, Gabriele Cugno, Markus J. Bonse, Sascha P. Quanz, Tomas Stolker

arxiv:1811.03336 v2 · 2018-11-08 · 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{CHQ6SD5VCJQS27MDFMQBMBSQJ2}

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	2026-05-17T23:55:38.282217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11e1e90fb512612d7d832b201606504e801c5cf9f59e1c466c7ef2cd1eb415dc

Aliases

arxiv: 1811.03336 · arxiv_version: 1811.03336v2 · doi: 10.48550/arxiv.1811.03336 · pith_short_12: CHQ6SD5VCJQS · pith_short_16: CHQ6SD5VCJQS27MD · pith_short_8: CHQ6SD5V

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/CHQ6SD5VCJQS27MDFMQBMBSQJ2 \
  | 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: 11e1e90fb512612d7d832b201606504e801c5cf9f59e1c466c7ef2cd1eb415dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4ca63e1dc7cb1b35f6bd2be46758adb18e2876cd371c0b155d4686be6a895a5",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-11-08T09:57:48Z",
    "title_canon_sha256": "a53e0264323a7378aa678cb34519e0e2aa4bc35c0238c4520759026dce1d8bc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03336",
    "kind": "arxiv",
    "version": 2
  }
}