Pith Number

pith:HTSKO6WB

pith:2008:HTSKO6WBBOI5PLLV4NP777HT2X

not attested not anchored not stored refs pending

The nuclear radio structure of X-ray bright AGN

2), (2) I. Physikalisches Institut, 3) ((1) MPE, (3) MPIfR), Andreas Eckart (2, Jens Zuther (1, Sebastian Fischer (2), Univ. of Cologne

arxiv:0806.3947 v1 · 2008-06-24 · 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{HTSKO6WBBOI5PLLV4NP777HT2X}

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	2026-05-18T02:35:15.747026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ce4a77ac10b91d7ad75e35ffffcf3d5ec6ae86630ab362874b88fb9c3ced918

Aliases

arxiv: 0806.3947 · arxiv_version: 0806.3947v1 · doi: 10.48550/arxiv.0806.3947 · pith_short_12: HTSKO6WBBOI5 · pith_short_16: HTSKO6WBBOI5PLLV · pith_short_8: HTSKO6WB

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/HTSKO6WBBOI5PLLV4NP777HT2X \
  | 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: 3ce4a77ac10b91d7ad75e35ffffcf3d5ec6ae86630ab362874b88fb9c3ced918

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ecb7021aa08d73c36c10e3eea81522f20fd5f9d383607dab3c4e8722d425ef6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-06-24T18:36:41Z",
    "title_canon_sha256": "33bfa1f3eca40a0a54fa4ba165b40d06cc8aa342d43c38b7354acbccf20791d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.3947",
    "kind": "arxiv",
    "version": 1
  }
}