Pith Number

pith:D6G3WYZV

pith:2018:D6G3WYZVSRGHZ2PVRBKEYDFBU3

not attested not anchored not stored refs pending

A new bright z=6.82 quasar discovered with VISTA: VHS J0411-0907

Estelle Pons, Manda Banerji, Paul C. Hewett, Richard G. McMahon, Robert A. Simcoe, Sophie L. Reed

arxiv:1812.02481 v2 · 2018-12-06 · 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{D6G3WYZVSRGHZ2PVRBKEYDFBU3}

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	2026-05-17T23:52:39.318949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f8dbb6335944c7ce9f588544c0ca1a6ccd0ab60ca3ea6184fc19288e9e248ac

Aliases

arxiv: 1812.02481 · arxiv_version: 1812.02481v2 · doi: 10.48550/arxiv.1812.02481 · pith_short_12: D6G3WYZVSRGH · pith_short_16: D6G3WYZVSRGHZ2PV · pith_short_8: D6G3WYZV

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/D6G3WYZVSRGHZ2PVRBKEYDFBU3 \
  | 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: 1f8dbb6335944c7ce9f588544c0ca1a6ccd0ab60ca3ea6184fc19288e9e248ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "343124e26973bb0714d62647773e18b9edafc64f76eb3a45fd86a2f302b6dad9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-06T11:53:36Z",
    "title_canon_sha256": "145e95bed8d126780fc2f30a5a7fd83b2964fb800133e54ae6a250134449749f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02481",
    "kind": "arxiv",
    "version": 2
  }
}