Pith Number

pith:QWONODIO

pith:2016:QWONODIOVWESKAXWDTSMS3DZDF

not attested not anchored not stored refs pending

Broad-band spectral energy distribution of 3000 Angstroem break quasars from the Sloan Digital Sky Survey

A. Mirhosseini, F. Pertermann, H. Meusinger, P. Schalldach

arxiv:1601.00544 v1 · 2016-01-04 · 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{QWONODIOVWESKAXWDTSMS3DZDF}

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	2026-05-18T00:03:20.079869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

859cd70d0ead892502f61ce4c96c79197d43cb713d528905f0025045de893c94

Aliases

arxiv: 1601.00544 · arxiv_version: 1601.00544v1 · doi: 10.48550/arxiv.1601.00544 · pith_short_12: QWONODIOVWES · pith_short_16: QWONODIOVWESKAXW · pith_short_8: QWONODIO

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/QWONODIOVWESKAXWDTSMS3DZDF \
  | 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: 859cd70d0ead892502f61ce4c96c79197d43cb713d528905f0025045de893c94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87f7ac744294fa173e033c71e35c4734c55efd9053e3c2301933acb073cc044b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-01-04T15:45:40Z",
    "title_canon_sha256": "2f47f2a37380510c11f9af001b7f71fb61da79fc0c10d1f5f36860135493e5e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.00544",
    "kind": "arxiv",
    "version": 1
  }
}