Pith Number

pith:TZCIMYOH

pith:2019:TZCIMYOHD4C5GPMMWZIBF6SCEH

not attested not anchored not stored refs pending

Towards high-resolution astronomical imaging

Craig Mackay, David Buscher, Ian Parry, Jesper Skottfelt, Kieran O'Brien, Nahid Chowdhury, Norbert Hubin, Paul Jorden, Ric Davies, Richard Massey, Sasha Hinkley

arxiv:1905.06046 v2 · 2019-05-15 · 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{TZCIMYOHD4C5GPMMWZIBF6SCEH}

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	2026-05-17T23:41:53.047839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e448661c71f05d33d8cb65012fa4221c17f2ec802c285deadbf541c60368866

Aliases

arxiv: 1905.06046 · arxiv_version: 1905.06046v2 · doi: 10.48550/arxiv.1905.06046 · pith_short_12: TZCIMYOHD4C5 · pith_short_16: TZCIMYOHD4C5GPMM · pith_short_8: TZCIMYOH

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/TZCIMYOHD4C5GPMMWZIBF6SCEH \
  | 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: 9e448661c71f05d33d8cb65012fa4221c17f2ec802c285deadbf541c60368866

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65979a069c40e4b639cb686a2e076091d66d72a66ebc5af06fe030fb53b1d844",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-05-15T09:24:13Z",
    "title_canon_sha256": "d9be84538715fcc99b08c9995f127b8393a1ffe0fc5f814938d2e229578acf0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06046",
    "kind": "arxiv",
    "version": 2
  }
}