Pith Number

pith:6DZZ5MTI

pith:2007:6DZZ5MTIMLEIVZWSAN6FFB22OT

not attested not anchored not stored refs pending

2003--2005 INTEGRAL and XMM-Newton observations of 3C 273

A. Neronov, I. M. McHardy, K. L. Page, M. Chernyakova, M. Stuhlinger, M. Turler, P. Lubinski, R. Staubert, R. Walter, S. Soldi, T. J.-L. Courvoisier, V. Beckmann

arxiv:astro-ph/0701825 v1 · 2007-01-29 · 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{6DZZ5MTIMLEIVZWSAN6FFB22OT}

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	2026-07-04T17:07:35.673197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0f39eb26862c88ae6d2037c52875a74de6558b28bb34804889dbfb4cb89d386

Aliases

arxiv: astro-ph/0701825 · arxiv_version: astro-ph/0701825v1 · doi: 10.48550/arxiv.astro-ph/0701825 · pith_short_12: 6DZZ5MTIMLEI · pith_short_16: 6DZZ5MTIMLEIVZWS · pith_short_8: 6DZZ5MTI

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/6DZZ5MTIMLEIVZWSAN6FFB22OT \
  | 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: f0f39eb26862c88ae6d2037c52875a74de6558b28bb34804889dbfb4cb89d386

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65427867dad8187265dd4842dcfd3e54f251dad9c0ed9bc853839fa2e62ec71d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-29T15:45:44Z",
    "title_canon_sha256": "60199da3526f7113beafd0590ae39129632c0346f977be0a23057b872510189b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701825",
    "kind": "arxiv",
    "version": 1
  }
}