Pith Number

pith:TIDSC5BD

pith:2003:TIDSC5BDTUIMVDTHNUEFNT5KJL

not attested not anchored not stored refs pending

A Hard Medium Survey with ASCA. IV: the Radio-Loud Type 2 QSO AXJ0843+294 2

A. Caccianiga, A. Wolter, I. Cagnoni, I.M. Gioia, P. Severgnini, R. Della Ceca, T. Maccacaro, V. Beckmann, V. Braito

arxiv:astro-ph/0305505 v1 · 2003-05-27 · 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{TIDSC5BDTUIMVDTHNUEFNT5KJL}

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	2026-07-04T16:37:12.499445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a072174239d10ca8e676d0856cfaa4ace81789731d856876fe49d6d34231a02

Aliases

arxiv: astro-ph/0305505 · arxiv_version: astro-ph/0305505v1 · doi: 10.48550/arxiv.astro-ph/0305505 · pith_short_12: TIDSC5BDTUIM · pith_short_16: TIDSC5BDTUIMVDTH · pith_short_8: TIDSC5BD

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/TIDSC5BDTUIMVDTHNUEFNT5KJL \
  | 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: 9a072174239d10ca8e676d0856cfaa4ace81789731d856876fe49d6d34231a02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de99ae844c9d1758b7e6b46c83383bbc80416b85178d4032f1a9ea4a8ba05389",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-05-27T12:38:20Z",
    "title_canon_sha256": "beaec244de7720a5aa4d649462e46cefd95acb1dd871a61507efe069a834b38f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0305505",
    "kind": "arxiv",
    "version": 1
  }
}