Pith Number

pith:DQ4WZQWF

pith:2022:DQ4WZQWFBDTPMVOB5DPSHXCPUO

not attested not anchored not stored refs pending

Astrometric Calibration and Source Characterisation of the Latest Generation Neuromorphic Event-based Cameras for Space Imaging

Alexandre Marcireau, Andr\'e van Schaik, Gregory Cohen, Nicholas Owen Ralph, Nicholas Tothill, Saeed Afshar

arxiv:2211.09939 v1 · 2022-11-17 · eess.SP · astro-ph.IM · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DQ4WZQWFBDTPMVOB5DPSHXCPUO}

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	2026-07-05T05:17:15.883924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c396cc2c508e6f655c1e8df23dc4fa3b24d8b8b32859bf0ac8722a1240cbbe2

Aliases

arxiv: 2211.09939 · arxiv_version: 2211.09939v1 · doi: 10.48550/arxiv.2211.09939 · pith_short_12: DQ4WZQWFBDTP · pith_short_16: DQ4WZQWFBDTPMVOB · pith_short_8: DQ4WZQWF

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/DQ4WZQWFBDTPMVOB5DPSHXCPUO \
  | 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: 1c396cc2c508e6f655c1e8df23dc4fa3b24d8b8b32859bf0ac8722a1240cbbe2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e09fcca8ca2593cf3832dd61cb6fd0c4425191627476729b8ecb9670cb304bbf",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2022-11-17T23:23:14Z",
    "title_canon_sha256": "e3d40c28ab0a23aae459f15da2b288eebd49ae1bd042008195cd1b1011eb7403"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.09939",
    "kind": "arxiv",
    "version": 1
  }
}