Pith Number

pith:6E42HR52

pith:2015:6E42HR52VRCYNAWLTN3ZP365UW

not attested not anchored not stored refs pending

New quasars behind the Magellanic Clouds. Spectroscopic confirmation of near-infrared selected candidates

Andres E. Piatti, Bi-Qing For, Brad K. Gibson, Devika Kamath, Jacco Th. van Loon, Jim Emerson, Kenji Bekki, Maria-Rosa L. Cioni, Richard de Grijs, Valentin D. Ivanov

arxiv:1510.05504 v1 · 2015-10-19 · 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{6E42HR52VRCYNAWLTN3ZP365UW}

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	2026-05-18T01:17:43.285907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f139a3c7baac458682cb9b7797efdda589110d670ed505d3e483167bb0d4d843

Aliases

arxiv: 1510.05504 · arxiv_version: 1510.05504v1 · doi: 10.48550/arxiv.1510.05504 · pith_short_12: 6E42HR52VRCY · pith_short_16: 6E42HR52VRCYNAWL · pith_short_8: 6E42HR52

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/6E42HR52VRCYNAWLTN3ZP365UW \
  | 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: f139a3c7baac458682cb9b7797efdda589110d670ed505d3e483167bb0d4d843

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80ab7efbc68537c7f5825ac42f24099b68e2545f240ec11a3ac2b147e69e791a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-10-19T14:52:40Z",
    "title_canon_sha256": "3abf024ec94399ee10c2dfda35d88c37caf62cf7ef2206086829287ac1648ab8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05504",
    "kind": "arxiv",
    "version": 1
  }
}