Pith Number

pith:KTSVLD5B

pith:2011:KTSVLD5BBRVEIU6EKTK555NXE3

not attested not anchored not stored refs pending

Broad Components in Optical Emission Lines from the Ultra-Luminous X-ray Source NGC 5408 X-1

D. Cseh, F. Grise, P. Kaaret, S. Corbel

arxiv:1101.1446 v1 · 2011-01-07 · astro-ph.HE · astro-ph.CO · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KTSVLD5BBRVEIU6EKTK555NXE3}

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	2026-05-18T04:31:22.001843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54e5558fa10c6a4453c454d5def5b726ddb2f1930131e90c008dfd07be4d869c

Aliases

arxiv: 1101.1446 · arxiv_version: 1101.1446v1 · doi: 10.48550/arxiv.1101.1446 · pith_short_12: KTSVLD5BBRVE · pith_short_16: KTSVLD5BBRVEIU6E · pith_short_8: KTSVLD5B

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/KTSVLD5BBRVEIU6EKTK555NXE3 \
  | 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: 54e5558fa10c6a4453c454d5def5b726ddb2f1930131e90c008dfd07be4d869c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1d56c41ee29cd14306d8710178e4e7fe64cda8ee956c6f5a97ba8d74e03cd12",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-01-07T14:32:11Z",
    "title_canon_sha256": "08a2d7f0a5b3925df95a2a4716c62a66469df2f36ffed3eba322b1a9ee4fd258"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1446",
    "kind": "arxiv",
    "version": 1
  }
}