Pith Number

pith:WMD2P64S

pith:2003:WMD2P64SJZ5MVMSTOZEBX7PNVS

not attested not anchored not stored refs pending

A Complete Sample of Soft X-ray Selected AGN: I. The Data

B.J. Wills, D. Grupe, H. Meusinger, K.M. Leighly

arxiv:astro-ph/0310027 v1 · 2003-10-01 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WMD2P64SJZ5MVMSTOZEBX7PNVS}

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	2026-05-18T01:07:33.278909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b307a7fb924e7acab25376481bfdedaca46c9566847ca3cb7a2ce5050aa94a9a

Aliases

arxiv: astro-ph/0310027 · arxiv_version: astro-ph/0310027v1 · doi: 10.48550/arxiv.astro-ph/0310027 · pith_short_12: WMD2P64SJZ5M · pith_short_16: WMD2P64SJZ5MVMST · pith_short_8: WMD2P64S

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/WMD2P64SJZ5MVMSTOZEBX7PNVS \
  | 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: b307a7fb924e7acab25376481bfdedaca46c9566847ca3cb7a2ce5050aa94a9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a61f5d99853fa4389a587a4a45188c7f21e1d15bd24a6e2ac2bda32996081ea",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-01T14:10:11Z",
    "title_canon_sha256": "1e0c3e899b18508d3c099e83658c87f3a54c262d2c1c2390fdcf9745d2c81c01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0310027",
    "kind": "arxiv",
    "version": 1
  }
}