Pith Number

pith:7RZDZVQK

pith:2000:7RZDZVQKGWMIPMD5WB3Y3Q7PFS

not attested not anchored not stored refs pending

XMM-Newton observation of the Lockman Hole; I. The X-ray Data

A. Finoguenov, A. F. Ptak, B. Altieri, D. H. Lumb, F. A. Jansen, F. Paerels, G. Hasinger, G. P. Szokoly, H. Brunner, J. Bergeron, J. Truemper, K. Dennerl, K. O. Mason, M. Arnaud, M. Dadina, M. G. Watson, M. J. Page, M. Turner, N. Schartel, P. Ferrando, R. E. Griffiths, R. G. McMahon, R. S. Warwick, S. Mateos, T. Miyaji, T. P. Sasseen, X. Barcons, Y. Hashimoto

arxiv:astro-ph/0011271 v1 · 2000-11-14 · 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{7RZDZVQKGWMIPMD5WB3Y3Q7PFS}

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	2026-07-04T16:17:36.432008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc723cd60a359887b07db0778dc3ef2cb7c3cbaf86daf7626ff8976f7daeb763

Aliases

arxiv: astro-ph/0011271 · arxiv_version: astro-ph/0011271v1 · doi: 10.48550/arxiv.astro-ph/0011271 · pith_short_12: 7RZDZVQKGWMI · pith_short_16: 7RZDZVQKGWMIPMD5 · pith_short_8: 7RZDZVQK

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/7RZDZVQKGWMIPMD5WB3Y3Q7PFS \
  | 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: fc723cd60a359887b07db0778dc3ef2cb7c3cbaf86daf7626ff8976f7daeb763

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f47f49bf4686f19e1bf0ac7bb3da8951148ba165c66b155a670e11f7f3680812",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-11-14T14:54:09Z",
    "title_canon_sha256": "f4aac3e4c85a9a5b6a065def324964c70147fdcc80e8446f076db177ce04b3e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0011271",
    "kind": "arxiv",
    "version": 1
  }
}