Pith Number

pith:3OUEMBV7

pith:2019:3OUEMBV7UDFR4AMTTOS3RSNDRD

not attested not anchored not stored refs pending

SDSS J075101.42+291419.1: A Super-Eddington Accreting Quasar with Extreme X-ray Variability

B. Luo, Chen Hu, Hezhen Liu, Jian-Min Wang, Michael S. Brotherton, Ohad Shemmer, Pu Du, S. C. Gallagher, W. N. Brandt

arxiv:1904.12876 v1 · 2019-04-29 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3OUEMBV7UDFR4AMTTOS3RSNDRD}

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

Strong X-ray Variability of I Zwicky 1: Obscuration from Clumpy Accretion-Disk Winds

Receipt and verification

First computed	2026-05-17T23:42:19.499704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dba84606bfa0cb1e01939ba5b8c9a388d2ec0507b4fc93e3d70f71549a2ad86e

Aliases

arxiv: 1904.12876 · arxiv_version: 1904.12876v1 · doi: 10.48550/arxiv.1904.12876 · pith_short_12: 3OUEMBV7UDFR · pith_short_16: 3OUEMBV7UDFR4AMT · pith_short_8: 3OUEMBV7

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/3OUEMBV7UDFR4AMTTOS3RSNDRD \
  | 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: dba84606bfa0cb1e01939ba5b8c9a388d2ec0507b4fc93e3d70f71549a2ad86e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f905b2c63d0ac4d4794dafa300a2cab7d77c7b707ea64e058e3c14eb3820f164",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-29T18:00:11Z",
    "title_canon_sha256": "96c99bb8f5fd619830ce63edfeb87a016a857d8140683742b34461614e3ed2da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12876",
    "kind": "arxiv",
    "version": 1
  }
}