Pith Number

pith:NDC7CU2N

pith:2023:NDC7CU2NC3XJLKOIT7PHKG3T7E

not attested not anchored not stored refs pending

Little Red Dots or Brown Dwarfs? NIRSpec Discovery of Three Distant Brown Dwarfs Masquerading as NIRCam-Selected Highly-Reddened AGNs

Danial Langeroodi, Jens Hjorth

arxiv:2308.10900 v4 · 2023-08-21 · 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{NDC7CU2NC3XJLKOIT7PHKG3T7E}

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	2026-07-05T07:11:18.023524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68c5f1534d16ee95a9c89fde751b73f91d5ff56cd04ce423510a44c81c753c60

Aliases

arxiv: 2308.10900 · arxiv_version: 2308.10900v4 · doi: 10.48550/arxiv.2308.10900 · pith_short_12: NDC7CU2NC3XJ · pith_short_16: NDC7CU2NC3XJLKOI · pith_short_8: NDC7CU2N

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/NDC7CU2NC3XJLKOIT7PHKG3T7E \
  | 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: 68c5f1534d16ee95a9c89fde751b73f91d5ff56cd04ce423510a44c81c753c60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b86ae5ec63ce99ae01f370b5bf45471161d40285378ac3cb510a1961f14fd00a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-08-21T17:59:27Z",
    "title_canon_sha256": "c8820fd27635173a148a920dad434dad94f89b2a13c42be458b99426eaad3fe1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.10900",
    "kind": "arxiv",
    "version": 4
  }
}