Pith Number

pith:H7PZ4AA7

pith:2011:H7PZ4AA7AKT55WT35TBGS3SXWB

not attested not anchored not stored refs pending

Goonhilly: a new site for e-MERLIN and the EVN

H. J. van Langevelde, H.-R. Kloeckner, I. Heywood, I. Jones, J. Hatchell, M. G. Hoare, M. J. Jarvis, R. Beswick, S. Rawlings, S. T. Garrington, T. W. B. Muxlow

arxiv:1103.3600 v1 · 2011-03-18 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H7PZ4AA7AKT55WT35TBGS3SXWB}

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	2026-05-18T02:22:18.296022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fdf9e001f02a7deda7becc2696e57b0789ad862c36806b0f3c3903b53701e7a

Aliases

arxiv: 1103.3600 · arxiv_version: 1103.3600v1 · doi: 10.48550/arxiv.1103.3600 · pith_short_12: H7PZ4AA7AKT5 · pith_short_16: H7PZ4AA7AKT55WT3 · pith_short_8: H7PZ4AA7

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/H7PZ4AA7AKT55WT35TBGS3SXWB \
  | 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: 3fdf9e001f02a7deda7becc2696e57b0789ad862c36806b0f3c3903b53701e7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15c49a85471a3748c6edc62f6bcf9ed26bec1570b49256a1a862dd2e6fb4127d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-03-18T11:13:53Z",
    "title_canon_sha256": "a44eb59e7617f67a7b66c501ea4cb96fbab28d157b9fd2d57fafda091b4b8979"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3600",
    "kind": "arxiv",
    "version": 1
  }
}