Pith Number

pith:WURJQSDT

pith:2007:WURJQSDTLBFZS3VMGG5D5OOCIE

not attested not anchored not stored refs pending

X-ray Observations of Galaxies: The Importance of Deep High-Resolution Observations

G. Fabbiano

arxiv:0711.0764 v2 · 2007-11-05 · 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{WURJQSDTLBFZS3VMGG5D5OOCIE}

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	2026-05-18T04:09:04.728583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b522984873584b996eac31ba3eb9c24125278eb52dcfc2e2b7a70ec0117f4101

Aliases

arxiv: 0711.0764 · arxiv_version: 0711.0764v2 · doi: 10.48550/arxiv.0711.0764 · pith_short_12: WURJQSDTLBFZ · pith_short_16: WURJQSDTLBFZS3VM · pith_short_8: WURJQSDT

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/WURJQSDTLBFZS3VMGG5D5OOCIE \
  | 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: b522984873584b996eac31ba3eb9c24125278eb52dcfc2e2b7a70ec0117f4101

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4efa2086edca3b5d14f34b778151c6147ad0fe87820ddaa0794837b749a98287",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-11-05T21:52:26Z",
    "title_canon_sha256": "b8c1c8b729d3a43a5656f0fc9a79b4e56de4f06debe41eda98e924bc94ff54e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.0764",
    "kind": "arxiv",
    "version": 2
  }
}