Pith Number

pith:ZDE55FH5

pith:2005:ZDE55FH5LBQ673JVXL42EHGATM

not attested not anchored not stored refs pending

The Bright Side of the Hard X-ray Sky: The XMM-Newton Bright Survey

A. Caccianiga, F. Cocchia, P. Severgnini, R. Della Ceca, T. Maccacaro, V. Braito

arxiv:astro-ph/0510845 v1 · 2005-10-31 · 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{ZDE55FH5LBQ673JVXL42EHGATM}

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	2026-07-04T14:50:46.811719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8c9de94fd5861efed35baf9a21cc09b18573e8caa696b2de1a7d376a1d18e7c

Aliases

arxiv: astro-ph/0510845 · arxiv_version: astro-ph/0510845v1 · doi: 10.48550/arxiv.astro-ph/0510845 · pith_short_12: ZDE55FH5LBQ6 · pith_short_16: ZDE55FH5LBQ673JV · pith_short_8: ZDE55FH5

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/ZDE55FH5LBQ673JVXL42EHGATM \
  | 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: c8c9de94fd5861efed35baf9a21cc09b18573e8caa696b2de1a7d376a1d18e7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90fff2549f930edf82bdae4f789fc1b3cd67df75196aa0f5647bd65f1345e024",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-10-31T13:24:55Z",
    "title_canon_sha256": "7b11c321833152edae6d1855323176673cc2c3b72dbe855bc8d13871bef06c67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0510845",
    "kind": "arxiv",
    "version": 1
  }
}