Pith Number

pith:45T3GBJM

pith:2019:45T3GBJMAYXWAUSYRQSTZDMOUZ

not attested not anchored not stored refs pending

Hardware and software for a robotic network of telescopes - SONG

A. N. S{\o}rensen, E. Weiss, F. Grundahl, H. Kjeldsen, J. Christensen-Dalsgaard, J. Skottfelt, M. F. Andersen, P. Pall\'e, S. Frandsen, U. G. J{\o}rgensen

arxiv:1901.08300 v1 · 2019-01-24 · 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{45T3GBJMAYXWAUSYRQSTZDMOUZ}

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	2026-05-17T23:55:37.411111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e767b3052c062f6052588c253c8d8ea67652d1fd83e287608e911359a7f7c75c

Aliases

arxiv: 1901.08300 · arxiv_version: 1901.08300v1 · doi: 10.48550/arxiv.1901.08300 · pith_short_12: 45T3GBJMAYXW · pith_short_16: 45T3GBJMAYXWAUSY · pith_short_8: 45T3GBJM

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/45T3GBJMAYXWAUSYRQSTZDMOUZ \
  | 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: e767b3052c062f6052588c253c8d8ea67652d1fd83e287608e911359a7f7c75c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "274f2981e05566158f93e69bc22d8efbfd48cabe936ccc64c8a720be6b6a0366",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-01-24T09:18:05Z",
    "title_canon_sha256": "a95c707777508126895af4e1fc0a1cfb0695956e12f9a9564c932d306d1b3ce2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08300",
    "kind": "arxiv",
    "version": 1
  }
}