Pith Number

pith:AM5NRAPA

pith:2013:AM5NRAPASIUZS2FCNC2NAZXB2H

not attested not anchored not stored refs pending

High-Efficiency Lucky Imaging

Craig Mackay

arxiv:1303.5108 v3 · 2013-03-20 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AM5NRAPASIUZS2FCNC2NAZXB2H}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:51:00.073517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

033ad881e092299968a268b4d066e1d1efa9bfd1dd8ab67a6c53dfedd85bc4cd

Aliases

arxiv: 1303.5108 · arxiv_version: 1303.5108v3 · doi: 10.48550/arxiv.1303.5108 · pith_short_12: AM5NRAPASIUZ · pith_short_16: AM5NRAPASIUZS2FC · pith_short_8: AM5NRAPA

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/AM5NRAPASIUZS2FCNC2NAZXB2H \
  | 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: 033ad881e092299968a268b4d066e1d1efa9bfd1dd8ab67a6c53dfedd85bc4cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a0709dfcbde7a6fdc5024fe12d0a354b517def08e5b24675bfbee055a903717",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-03-20T22:09:08Z",
    "title_canon_sha256": "99a493b03a56450a75b96d957aec9a3346b6404b8ff1228cab3672592362b275"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5108",
    "kind": "arxiv",
    "version": 3
  }
}