Pith Number

pith:JJRVDVVQ

pith:2012:JJRVDVVQYO6RESEDWW3TFH6IE2

not attested not anchored not stored refs pending

The Nature of the UV/optical Emission of the Ultraluminous X-Ray Source in Holmberg II

Fabien Gris\'e, Hua Feng, Lian Tao, Philip Kaaret

arxiv:1203.1086 v1 · 2012-03-06 · 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{JJRVDVVQYO6RESEDWW3TFH6IE2}

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	2026-05-18T01:58:14.522684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a6351d6b0c3bd124883b5b7329fc826abae57b13a444f9acb55c35865088134

Aliases

arxiv: 1203.1086 · arxiv_version: 1203.1086v1 · doi: 10.48550/arxiv.1203.1086 · pith_short_12: JJRVDVVQYO6R · pith_short_16: JJRVDVVQYO6RESED · pith_short_8: JJRVDVVQ

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/JJRVDVVQYO6RESEDWW3TFH6IE2 \
  | 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: 4a6351d6b0c3bd124883b5b7329fc826abae57b13a444f9acb55c35865088134

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5e8b7e3be9c28afb8776c2d639a5d2fe3657f47a7f4d2605189775a56c831a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-03-06T02:40:02Z",
    "title_canon_sha256": "39c98d280cb8c1132e428481445bde3dbb4d01370ab3b8b76b8df572d1233848"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1086",
    "kind": "arxiv",
    "version": 1
  }
}