Pith Number

pith:YNNZJEOW

pith:2020:YNNZJEOWOAMRKXY4WTJHGS7CUW

not attested not anchored not stored refs pending

A SCUBA-2 850$\mu$m Survey of Heavily Reddened Quasars at z~2

Clare F. Wethers, Gareth C. Jones, Manda Banerji, Paul C. Hewett

arxiv:2001.05507 v1 · 2020-01-15 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YNNZJEOWOAMRKXY4WTJHGS7CUW}

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	2026-07-05T00:38:11.605785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c35b9491d67019155f1cb4d2734be2a58bd87eead3466212be103a670b9434cc

Aliases

arxiv: 2001.05507 · arxiv_version: 2001.05507v1 · doi: 10.48550/arxiv.2001.05507 · pith_short_12: YNNZJEOWOAMR · pith_short_16: YNNZJEOWOAMRKXY4 · pith_short_8: YNNZJEOW

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/YNNZJEOWOAMRKXY4WTJHGS7CUW \
  | 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: c35b9491d67019155f1cb4d2734be2a58bd87eead3466212be103a670b9434cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53e31a28a87d6753ecc83daa3306c267db366dcb77f9d99afd4fba1d4cc6066a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-01-15T19:00:05Z",
    "title_canon_sha256": "87f0f16a308234c37cea1fa560d73f780e76f81c4b3d8762d33ef715411059b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.05507",
    "kind": "arxiv",
    "version": 1
  }
}