Pith Number

pith:RBXBLZC3

pith:2010:RBXBLZC3SH7RI37YGLMHHK2CN2

not attested not anchored not stored refs pending

Hard and soft spectral states of ULXs

Roberto Soria (MSSL/UCL)

arxiv:1009.5986 v1 · 2010-09-29 · 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{RBXBLZC3SH7RI37YGLMHHK2CN2}

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	2026-05-18T02:05:13.406425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

886e15e45b91ff146ff832d873ab426e9c7c8dce7c01f930a1a843d113c9e954

Aliases

arxiv: 1009.5986 · arxiv_version: 1009.5986v1 · doi: 10.48550/arxiv.1009.5986 · pith_short_12: RBXBLZC3SH7R · pith_short_16: RBXBLZC3SH7RI37Y · pith_short_8: RBXBLZC3

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/RBXBLZC3SH7RI37YGLMHHK2CN2 \
  | 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: 886e15e45b91ff146ff832d873ab426e9c7c8dce7c01f930a1a843d113c9e954

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1718acf2311be476073125593482dc0fd38dbc1eee896862310fdbbf9706a77d",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-09-29T20:00:01Z",
    "title_canon_sha256": "237a87c36f3f996ad50dce324b10f44a4d150659451fdafb1427a151aa215d77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5986",
    "kind": "arxiv",
    "version": 1
  }
}