Pith Number

pith:QOW6CU2P

pith:2020:QOW6CU2PQEJFPUR7IGWEGFW7TS

not attested not anchored not stored refs pending

Seeing-limited imaging sky surveys -- small vs. large telescopes

Eran O. Ofek, Sagi Ben-Ami

arxiv:2011.04674 v1 · 2020-11-09 · 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{QOW6CU2PQEJFPUR7IGWEGFW7TS}

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.

Cited by

1 paper in Pith

Single object observations: Large telescopes vs. multiple small telescopes

Receipt and verification

First computed	2026-07-05T01:54:01.414928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83ade1534f811257d23f41ac4316df9caa1d80bc750ad300ed8ceb78d141b086

Aliases

arxiv: 2011.04674 · arxiv_version: 2011.04674v1 · doi: 10.48550/arxiv.2011.04674 · pith_short_12: QOW6CU2PQEJF · pith_short_16: QOW6CU2PQEJFPUR7 · pith_short_8: QOW6CU2P

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/QOW6CU2PQEJFPUR7IGWEGFW7TS \
  | 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: 83ade1534f811257d23f41ac4316df9caa1d80bc750ad300ed8ceb78d141b086

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2a2ed872f6cda134427444971d3ffb7e196a78cba4c923a8df17be6cd6fa93b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-11-09T19:00:10Z",
    "title_canon_sha256": "b138c20798a9c93d7cb561b4b79a5a5a629c32964a716db61c5d6134610b25e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.04674",
    "kind": "arxiv",
    "version": 1
  }
}