Pith Number

pith:EE7ORFGQ

pith:2011:EE7ORFGQCVEBJ2J2YNMWSGKKOZ

not attested not anchored not stored refs pending

Compact Optical Counterparts of Ultraluminous X-ray Sources

Fabien Grise, Hua Feng, Lian Tao, Philip Kaaret

arxiv:1106.0315 v1 · 2011-06-01 · 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{EE7ORFGQCVEBJ2J2YNMWSGKKOZ}

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	2026-05-18T02:01:44.575780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

213ee894d0154814e93ac35969194a767d7dee1240e5d2d925c6204f99e86459

Aliases

arxiv: 1106.0315 · arxiv_version: 1106.0315v1 · doi: 10.48550/arxiv.1106.0315 · pith_short_12: EE7ORFGQCVEB · pith_short_16: EE7ORFGQCVEBJ2J2 · pith_short_8: EE7ORFGQ

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/EE7ORFGQCVEBJ2J2YNMWSGKKOZ \
  | 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: 213ee894d0154814e93ac35969194a767d7dee1240e5d2d925c6204f99e86459

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbf4ea79dbdea7777b4cf1f4515d9ca669bb3f9ce1275df376db0a62828e23d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-06-01T20:28:44Z",
    "title_canon_sha256": "d521d8cad77113709fdac8e98affe2d7bea8ec5e538a4bd8b21f32a950e6846a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.0315",
    "kind": "arxiv",
    "version": 1
  }
}