Pith Number

pith:SND3X325

pith:2002:SND3X325DZTDNWH4YZ3PB3RBZK

not attested not anchored not stored refs pending

X-rays from the High-Redshift Universe: The Chandra view

Astronomy, Beverly Sackler Faculty of Exact Sciences, C. Vignali (1), D.M. Alexander (1) ((1) Department of Astronomy & Astrophysics, D.P. Schneider (1), F.E. Bauer (1), G.P. Garmire (1), Israel), Raymond, S. Kaspi (2), Tel-Aviv University, The Pennsylvania State University, University Park, USA; (2) School of Physics, W.N. Brandt (1)

arxiv:astro-ph/0210309 v1 · 2002-10-14 · 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{SND3X325DZTDNWH4YZ3PB3RBZK}

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	2026-05-18T01:40:42.034790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9347bbef5d1e6636d8fcc676f0ee21ca8da1bd65846b61f12675582563bcc6ee

Aliases

arxiv: astro-ph/0210309 · arxiv_version: astro-ph/0210309v1 · doi: 10.48550/arxiv.astro-ph/0210309 · pith_short_12: SND3X325DZTD · pith_short_16: SND3X325DZTDNWH4 · pith_short_8: SND3X325

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/SND3X325DZTDNWH4YZ3PB3RBZK \
  | 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: 9347bbef5d1e6636d8fcc676f0ee21ca8da1bd65846b61f12675582563bcc6ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed497141543909b1d1db4f0065be13f5b1cf0da82da474580691e544e28ce945",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-10-14T20:17:25Z",
    "title_canon_sha256": "8f31172cd0e08587cf7016773cbff88214c55178fdbd9795c4cf5637950f2446"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0210309",
    "kind": "arxiv",
    "version": 1
  }
}