Pith Number

pith:Q6MSWYKY

pith:2017:Q6MSWYKYGMAIAEPPYM2XSRI2JX

not attested not anchored not stored refs pending

J0906+6930: a radio-loud quasar in the early Universe

Baoqiang Lao, Bong Won Sohn, Krisztina E. Gabanyi, Leonid I. Gurvits, Motoki Kino, Prashanth Mohan, Sandor Frey, Taehyun Jung, Tao An, Yang Lu, Yingkang Zhang, Zsolt Paragi

arxiv:1702.03925 v2 · 2017-02-13 · astro-ph.HE · 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{Q6MSWYKYGMAIAEPPYM2XSRI2JX}

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	2026-05-18T00:46:37.552156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87992b615833008011efc33579451a4de491e88e4a268394df63cfbd0439cd24

Aliases

arxiv: 1702.03925 · arxiv_version: 1702.03925v2 · doi: 10.48550/arxiv.1702.03925 · pith_short_12: Q6MSWYKYGMAI · pith_short_16: Q6MSWYKYGMAIAEPP · pith_short_8: Q6MSWYKY

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/Q6MSWYKYGMAIAEPPYM2XSRI2JX \
  | 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: 87992b615833008011efc33579451a4de491e88e4a268394df63cfbd0439cd24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "792b5b831a59e4d2abdd1dea78171bcd67ec1df97ddd79ed71ad96fc45219d6b",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-02-13T13:12:16Z",
    "title_canon_sha256": "9f2c9043e17893855c01930840b07d0b45a130dfa38136f270aa23f34650becb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.03925",
    "kind": "arxiv",
    "version": 2
  }
}