Pith Number

pith:QOINPMMS

pith:2019:QOINPMMSDD5HLSBRL6Y63WXOWZ

not attested not anchored not stored refs pending

Relativistic components of the Ultra-Fast Outflow in the Quasar PDS 456 from Chandra/HETGS, NuSTAR and XMM-Newton observations

Ashkbiz Danehkar, Herman L. Marshall, Michael A. Nowak, Rozenn Boissay-Malaquin

arxiv:1901.06641 v1 · 2019-01-20 · astro-ph.HE · 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{QOINPMMSDD5HLSBRL6Y63WXOWZ}

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	2026-05-17T23:41:24.682145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8390d7b19218fa75c8315fb1eddaeeb670e49a0fd78341a292d4ab2e2f97232e

Aliases

arxiv: 1901.06641 · arxiv_version: 1901.06641v1 · doi: 10.48550/arxiv.1901.06641 · pith_short_12: QOINPMMSDD5H · pith_short_16: QOINPMMSDD5HLSBR · pith_short_8: QOINPMMS

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/QOINPMMSDD5HLSBRL6Y63WXOWZ \
  | 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: 8390d7b19218fa75c8315fb1eddaeeb670e49a0fd78341a292d4ab2e2f97232e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "309e6e2811b99e23a4f64f57688e24c6443a8654cba12114af0d715758fc480c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-01-20T08:12:39Z",
    "title_canon_sha256": "991ca74b819efaf954e6edc962adf9a0d779538e8fe6ea3925846dd6ac701d83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06641",
    "kind": "arxiv",
    "version": 1
  }
}