Pith Number

pith:FRTMNYMD

pith:2017:FRTMNYMDSF62QETDQCCLA6RX2I

not attested not anchored not stored refs pending

The Intrinsic Far-infrared Continua of Type-1 Quasars

George H. Rieke, Jianwei Lyu

arxiv:1704.06987 v2 · 2017-04-23 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FRTMNYMDSF62QETDQCCLA6RX2I}

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	2026-05-18T00:43:43.134575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c66c6e183917da812638084b07a37d210232e31c210ebe2c74b83e82eb45b68

Aliases

arxiv: 1704.06987 · arxiv_version: 1704.06987v2 · doi: 10.48550/arxiv.1704.06987 · pith_short_12: FRTMNYMDSF62 · pith_short_16: FRTMNYMDSF62QETD · pith_short_8: FRTMNYMD

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/FRTMNYMDSF62QETDQCCLA6RX2I \
  | 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: 2c66c6e183917da812638084b07a37d210232e31c210ebe2c74b83e82eb45b68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f635935f04074dd2c5b941d498501724971520dbfc9a150d60ab23a292e9eba",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-04-23T21:32:52Z",
    "title_canon_sha256": "c1f81e21f5444ed2efe1333103a1d4956b40eac4968e151f7358a520162a4cb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06987",
    "kind": "arxiv",
    "version": 2
  }
}