Pith Number

pith:I626N7NR

pith:2010:I626N7NRY4OK56JNPLDIO5X4PB

not attested not anchored not stored refs pending

Cross-calibration of the X-ray Instruments onboard the Chandra, INTEGRAL, RXTE, Suzaku, Swift, and XMM-Newton Observatories using G21.5-0.9

(2) ESAC, (3) Harvard U. CfA, (4) U. of Leicester, (5) INAF Rome, (6) NASA GSFC), Andrew M. Read (4), Andrew P. Beardmore (4), Jennifer L. L. Posson-Brown (3), Lorenzo Natalucci (5), Manabu Ishida (1), Masahiro Tsujimoto (1), Matteo Guainazzi (2), Nikolai V. Shaposhnikov (6) ((1) JAXA ISAS, Paul P. Plucinsky (3), Richard D. Saxton (2)

arxiv:1009.2812 v1 · 2010-09-14 · astro-ph.HE · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I626N7NRY4OK56JNPLDIO5X4PB}

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	2026-05-18T02:05:30.332463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47b5e6fdb1c71caef92d7ac68776fc7856a2171c26d0ff0b899f1e49cdba9dd4

Aliases

arxiv: 1009.2812 · arxiv_version: 1009.2812v1 · doi: 10.48550/arxiv.1009.2812 · pith_short_12: I626N7NRY4OK · pith_short_16: I626N7NRY4OK56JN · pith_short_8: I626N7NR

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/I626N7NRY4OK56JNPLDIO5X4PB \
  | 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: 47b5e6fdb1c71caef92d7ac68776fc7856a2171c26d0ff0b899f1e49cdba9dd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53de3f49d072a3a95a545f0f09796d9f0397f69827fda8683c3fe3f3fd972ac2",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-09-14T23:55:58Z",
    "title_canon_sha256": "d9a5d06912140efebe53dd288805280e3f814577bb32a3ec0267634e2784a402"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2812",
    "kind": "arxiv",
    "version": 1
  }
}