Pith Number

pith:PGTZ7QEQ

pith:2011:PGTZ7QEQ4T4YPOAEMCAVCVGCK6

not attested not anchored not stored refs pending

X-ray observations of PKS 0745-191 at the virial radius: Are we there yet?

D. Eckert, F. Gastaldello, M. Rossetti, S. Molendi

arxiv:1103.2455 v2 · 2011-03-12 · 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{PGTZ7QEQ4T4YPOAEMCAVCVGCK6}

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	2026-05-18T04:00:49.535006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79a79fc090e4f987b80460815154c257a7be06e764872a37dd05b2475876a2dc

Aliases

arxiv: 1103.2455 · arxiv_version: 1103.2455v2 · doi: 10.48550/arxiv.1103.2455 · pith_short_12: PGTZ7QEQ4T4Y · pith_short_16: PGTZ7QEQ4T4YPOAE · pith_short_8: PGTZ7QEQ

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/PGTZ7QEQ4T4YPOAEMCAVCVGCK6 \
  | 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: 79a79fc090e4f987b80460815154c257a7be06e764872a37dd05b2475876a2dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d792fd3ec84434f48cf2d7f4a0656ebae312ad6e0debce234b9945f7e2b8022",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-03-12T16:03:33Z",
    "title_canon_sha256": "9814d327db4b88023317be7d3700c60b62df54b552ea0595c855e22ffc9f5421"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2455",
    "kind": "arxiv",
    "version": 2
  }
}