Pith Number

pith:UGPK5ELN

pith:2016:UGPK5ELNGNQGCBPDBWDFIHTKUF

not attested not anchored not stored refs pending

Reaching the Peak of the quasar spectral energy distribution - II. Exploring the accretion disc, dusty torus and host galaxy

Chris Done, Hermine Landt, James S. Collinson, Jonathan C. McDowell, Martin Elvis, Martin J. Ward

arxiv:1610.04221 v1 · 2016-10-13 · 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{UGPK5ELNGNQGCBPDBWDFIHTKUF}

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.

Cited by

1 paper in Pith

Neutrino and pair creation in reconnection-powered coronae of accreting black holes

Receipt and verification

First computed	2026-05-18T00:55:07.132647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a19eae916d33606105e30d86541e6aa17f4b84aabb8a677dd64619aa79959462

Aliases

arxiv: 1610.04221 · arxiv_version: 1610.04221v1 · doi: 10.48550/arxiv.1610.04221 · pith_short_12: UGPK5ELNGNQG · pith_short_16: UGPK5ELNGNQGCBPD · pith_short_8: UGPK5ELN

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/UGPK5ELNGNQGCBPDBWDFIHTKUF \
  | 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: a19eae916d33606105e30d86541e6aa17f4b84aabb8a677dd64619aa79959462

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d780c54cf91eb9cce4d47df104b4f5d57db2fb1f9b6aafcb055f304b71f400aa",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-10-13T19:57:48Z",
    "title_canon_sha256": "d6acec37a8e650a01668c24a5895431bc647999edcb39ffa7326905a4f2c3426"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.04221",
    "kind": "arxiv",
    "version": 1
  }
}