Pith Number

pith:Q4NC32MA

pith:2020:Q4NC32MAM6SS7ZNWLEWQITNSEM

not attested not anchored not stored refs pending

Towards a physical understanding of the thermal background in large ground-based telescopes

Alex G. M. Pietrow, Bernhard Brandl, Eric Pantin, Hans Ulrich K\"aufl, Ioannis Politopoulos, Konrad R. W. Tristram, Leonard Burtscher, Mario van den Ancker, Ralf Siebenmorgen, Remko Stuik, Roy van Boekel, Sergio Fern\'andez-Acosta, Tibor Agocs, Willem-Jan de Wit

arxiv:2012.13528 v1 · 2020-12-25 · 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{Q4NC32MAM6SS7ZNWLEWQITNSEM}

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	2026-07-05T02:07:33.128226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

871a2de98067a52fe5b6592d044db22334365a898b4a611da9cd55229175d4ff

Aliases

arxiv: 2012.13528 · arxiv_version: 2012.13528v1 · doi: 10.48550/arxiv.2012.13528 · pith_short_12: Q4NC32MAM6SS · pith_short_16: Q4NC32MAM6SS7ZNW · pith_short_8: Q4NC32MA

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/Q4NC32MAM6SS7ZNWLEWQITNSEM \
  | 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: 871a2de98067a52fe5b6592d044db22334365a898b4a611da9cd55229175d4ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32e619a16d7090b4143ab336b31d08bc586d38e0cc2a7f734b50f325250d05ef",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-12-25T06:35:29Z",
    "title_canon_sha256": "0d7f36e1bf85b4fedb2d95e63012cbfe7bcaac782e55d56855135a9a763bc170"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.13528",
    "kind": "arxiv",
    "version": 1
  }
}