Pith Number

pith:SI3RY2NR

pith:2013:SI3RY2NRGGHDQQMWBJO2SDKVZQ

not attested not anchored not stored refs pending

Design, Environmental and Sustainability Constraints of new African Observatories: The example of the Mozambique Radio Astronomy Observatory

Anita Loots, Arnold van Ardenne, Claudio Paulo, Domingos Barbosa, Jose Carlos Amador, Michael Gaylard, Miguel Bergano, Rodrigo Maia, Rui Melo, Sergio Colafrancesco, Valerio A.R.M. Ribeiro, Venkatasubramani L. Thondikulam

arxiv:1311.4464 v1 · 2013-11-18 · 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{SI3RY2NRGGHDQQMWBJO2SDKVZQ}

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	2026-05-18T01:34:40.073489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92371c69b1318e3841960a5da90d55cc142cffaf17151cc865a0c8e978880587

Aliases

arxiv: 1311.4464 · arxiv_version: 1311.4464v1 · doi: 10.48550/arxiv.1311.4464 · pith_short_12: SI3RY2NRGGHD · pith_short_16: SI3RY2NRGGHDQQMW · pith_short_8: SI3RY2NR

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/SI3RY2NRGGHDQQMWBJO2SDKVZQ \
  | 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: 92371c69b1318e3841960a5da90d55cc142cffaf17151cc865a0c8e978880587

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dad6c244db29abec39eb567a4e3d66eb4e10fc5e03482fd6a1797d1f2e7b168c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-11-18T17:29:20Z",
    "title_canon_sha256": "3435d4b2951729ec7e900a87ea3c5e05ec1df6da25dbb6443e2f494b93752a82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4464",
    "kind": "arxiv",
    "version": 1
  }
}