Pith Number

pith:TF4B6JS4

pith:2010:TF4B6JS4MDV3WAAG7G3U6LQGEG

not attested not anchored not stored refs pending

The Classification of Extragalactic X-ray Jets

C. C. Cheung (NRL/NRC), D. E. Harris (SAO), F. Massaro (SAO)

arxiv:1003.0976 v1 · 2010-03-04 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TF4B6JS4MDV3WAAG7G3U6LQGEG}

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	2026-05-18T02:08:46.537814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99781f265c60ebbb0006f9b74f2e0621974aaa1e57247b6ba7fbe6fd7daf620a

Aliases

arxiv: 1003.0976 · arxiv_version: 1003.0976v1 · doi: 10.48550/arxiv.1003.0976 · pith_short_12: TF4B6JS4MDV3 · pith_short_16: TF4B6JS4MDV3WAAG · pith_short_8: TF4B6JS4

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/TF4B6JS4MDV3WAAG7G3U6LQGEG \
  | 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: 99781f265c60ebbb0006f9b74f2e0621974aaa1e57247b6ba7fbe6fd7daf620a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89f23191948e13e984367d45a95bb6c318669eed2237e6784b0c90cf0ef5b746",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-03-04T06:49:35Z",
    "title_canon_sha256": "8087559bf4a3c67f5a043114cecf088f9d042cc8f06d323bd38b813df7a6e8bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.0976",
    "kind": "arxiv",
    "version": 1
  }
}