Pith Number

pith:H3T7ES5C

pith:2001:H3T7ES5C3CTZKSRRZFVNHPJZWK

not attested not anchored not stored refs pending

Millimeter observations of radio-loud active galaxies

Frank Bertoldi, Ilse van Bemmel

arxiv:astro-ph/0101137 v1 · 2001-01-09 · 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{H3T7ES5C3CTZKSRRZFVNHPJZWK}

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	2026-07-04T16:22:33.138619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ee7f24ba2d8a7954a31c96ad3bd39b2ac376972b902110aed0a84eef9c2957f

Aliases

arxiv: astro-ph/0101137 · arxiv_version: astro-ph/0101137v1 · doi: 10.48550/arxiv.astro-ph/0101137 · pith_short_12: H3T7ES5C3CTZ · pith_short_16: H3T7ES5C3CTZKSRR · pith_short_8: H3T7ES5C

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/H3T7ES5C3CTZKSRRZFVNHPJZWK \
  | 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: 3ee7f24ba2d8a7954a31c96ad3bd39b2ac376972b902110aed0a84eef9c2957f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b76567e5189104b78d20ed5e8891ca9da01acf4fb579b15607e3cbd60e3c1246",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-01-09T18:14:37Z",
    "title_canon_sha256": "39537283b4eb2a44e56d3ee2d0456db4cc5574d3b67869bd778d07bfb8994283"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0101137",
    "kind": "arxiv",
    "version": 1
  }
}