Pith Number

pith:ZYX5RPTD

pith:2009:ZYX5RPTDON7DEKMGZJOBOELBVA

not attested not anchored not stored refs pending

A wide field X-ray telescope for astronomical survey purposes: from theory to practice

G. Pareschi, G. Tagliaferri, L. Proserpio, M. Civitani (Osservatorio astronomico di Brera), O. Citterio, P. Conconi, S. Campana, V. Cotroneo

arxiv:0912.5331 v2 · 2009-12-29 · astro-ph.IM · 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{ZYX5RPTDON7DEKMGZJOBOELBVA}

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	2026-05-18T02:10:13.271979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce2fd8be63737e322986ca5c171161a80cbab8e3eea900736417d091970a586b

Aliases

arxiv: 0912.5331 · arxiv_version: 0912.5331v2 · doi: 10.48550/arxiv.0912.5331 · pith_short_12: ZYX5RPTDON7D · pith_short_16: ZYX5RPTDON7DEKMG · pith_short_8: ZYX5RPTD

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/ZYX5RPTDON7DEKMGZJOBOELBVA \
  | 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: ce2fd8be63737e322986ca5c171161a80cbab8e3eea900736417d091970a586b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2f59bb1aeacf2b12f4a863d2cac4c67114a7e70e46cda5461d31f92f7d4e8e1",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-12-29T16:46:23Z",
    "title_canon_sha256": "0536b4029b714c588bf90d91f935df2626275d19b422089cde29f8c86d36e6b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.5331",
    "kind": "arxiv",
    "version": 2
  }
}