Pith Number

pith:34CRN73W

pith:1997:34CRN73WULE77PRZGLI3ATZKWD

not attested not anchored not stored refs pending

The most Distant [OIII]-emitting Quasar PKS 1937-101 at redshift 3.8

Kimiaki Kawara, Nobuo Arimoto, Takashi Murayama, Yoshiaki Taniguchi

arxiv:astro-ph/9705075 v1 · 1997-05-12 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{34CRN73WULE77PRZGLI3ATZKWD}

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	2026-05-18T01:40:17.506475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df0516ff76a2c9ffbe3932d1b04f2ab0fbc6583881ad5ba2c87dcecb43ecff34

Aliases

arxiv: astro-ph/9705075 · arxiv_version: astro-ph/9705075v1 · doi: 10.48550/arxiv.astro-ph/9705075 · pith_short_12: 34CRN73WULE7 · pith_short_16: 34CRN73WULE77PRZ · pith_short_8: 34CRN73W

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/34CRN73WULE77PRZGLI3ATZKWD \
  | 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: df0516ff76a2c9ffbe3932d1b04f2ab0fbc6583881ad5ba2c87dcecb43ecff34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3ed9ec7e7794173d71c2dea5ff51fe6113a7eaace3ed79aa8d0cc8b2b627346",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-05-12T09:12:31Z",
    "title_canon_sha256": "5dc0095d9f3f5cdceffcc2ab11bafeddfec62919696746afee934ee3ebc3fec3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9705075",
    "kind": "arxiv",
    "version": 1
  }
}