Pith Number

pith:T4IZNRWD

pith:2018:T4IZNRWDBMKAIM6M7HWVA63B5Z

not attested not anchored not stored refs pending

Extreme background-rejection techniques for the ELROI optical satellite license plate

David M. Palmer, Rebecca M. Holmes

arxiv:1810.01438 v2 · 2018-10-02 · astro-ph.IM · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T4IZNRWDBMKAIM6M7HWVA63B5Z}

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	2026-05-17T23:55:42.547274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f1196c6c30b140433ccf9ed507b61ee5f373e751afd9cf6c7bb2178d1b6e54a

Aliases

arxiv: 1810.01438 · arxiv_version: 1810.01438v2 · doi: 10.48550/arxiv.1810.01438 · pith_short_12: T4IZNRWDBMKA · pith_short_16: T4IZNRWDBMKAIM6M · pith_short_8: T4IZNRWD

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/T4IZNRWDBMKAIM6M7HWVA63B5Z \
  | 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: 9f1196c6c30b140433ccf9ed507b61ee5f373e751afd9cf6c7bb2178d1b6e54a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a94dce036c0b680ff76f0355666a5df79d6697a7f559cf6e2dc2b64ab757282",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-10-02T18:16:49Z",
    "title_canon_sha256": "5760d328fe9e7d0e253e4d25b4a3d1028d01bea953f42b1f1edacf53ef2fad6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.01438",
    "kind": "arxiv",
    "version": 2
  }
}