Pith Number

pith:DHVG6TPR

pith:2011:DHVG6TPRWTF7YPTZQSKXPXTQNL

not attested not anchored not stored refs pending

Multiwavelength campaign on Mrk 509. II. Analysis of high-quality Reflection Grating Spectrometer spectra

C. P. de Vries, C. Pinto, E. Behar, E. Costantini, G. A. Kriss, G. Ponti, J. Ebrero, J. S. Kaastra, K. C. Steenbrugge, M. Mehdipour, P.-O. Petrucci, R. G. Detmers, S. Bianchi, S. Paltani

arxiv:1107.0657 v1 · 2011-07-04 · astro-ph.CO · 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{DHVG6TPRWTF7YPTZQSKXPXTQNL}

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	2026-05-18T02:01:25.088560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19ea6f4df1b4cbfc3e79849577de706ae21bbc3e1db57689bca21f46f3262497

Aliases

arxiv: 1107.0657 · arxiv_version: 1107.0657v1 · doi: 10.48550/arxiv.1107.0657 · pith_short_12: DHVG6TPRWTF7 · pith_short_16: DHVG6TPRWTF7YPTZ · pith_short_8: DHVG6TPR

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/DHVG6TPRWTF7YPTZQSKXPXTQNL \
  | 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: 19ea6f4df1b4cbfc3e79849577de706ae21bbc3e1db57689bca21f46f3262497

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49bb11ea8b7ee7a364fc411bd7774699c1d09dc1a309a60a6329d502a6aae4f5",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-04T15:32:43Z",
    "title_canon_sha256": "8a5488fee5c575244b074f1b65cafdf9762f17d2e996c49d6d8b014b0627ad13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0657",
    "kind": "arxiv",
    "version": 1
  }
}