Pith Number

pith:LHXGFYN7

pith:2018:LHXGFYN75KCM6NI77GKP2K5IYV

not attested not anchored not stored refs pending

Optimality of the Maximum Likelihood estimator in Astrometry

Jorge F. Silva, Marcos Orchard, Rene A. Mendez, Rodrigo Lobos, Sebastian Espinosa

arxiv:1805.03673 v1 · 2018-05-09 · astro-ph.IM · astro-ph.SR · physics.data-an · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LHXGFYN75KCM6NI77GKP2K5IYV}

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	2026-05-18T00:06:39.882957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59ee62e1bfea84cf351ff994fd2ba8c5700e3ca4a032b3db081b9a37e0618f74

Aliases

arxiv: 1805.03673 · arxiv_version: 1805.03673v1 · doi: 10.48550/arxiv.1805.03673 · pith_short_12: LHXGFYN75KCM · pith_short_16: LHXGFYN75KCM6NI7 · pith_short_8: LHXGFYN7

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/LHXGFYN75KCM6NI77GKP2K5IYV \
  | 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: 59ee62e1bfea84cf351ff994fd2ba8c5700e3ca4a032b3db081b9a37e0618f74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26676ffa10a41c627cc49c3a539d136e162e21944b0203aaf3b4c9b779e13314",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "physics.data-an",
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-05-09T18:03:49Z",
    "title_canon_sha256": "32f44138d07d37dde14be18e59730a65a2a9b70fff5cbbd81fc6902599cbd616"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03673",
    "kind": "arxiv",
    "version": 1
  }
}