Pith Number

pith:RFFPKB5A

pith:2013:RFFPKB5AGP4GX2LBVJTUSNBXDZ

not attested not anchored not stored refs pending

The Conceptual Design of the Magdalena Ridge Observatory Interferometer

Allen Farris, Christopher A. Haniff, David F. Buscher, John S. Young, Michelle Creech-Eakman

arxiv:1307.0391 v1 · 2013-07-01 · 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{RFFPKB5AGP4GX2LBVJTUSNBXDZ}

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	2026-05-18T03:19:33.496939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

894af507a033f86be961aa674934371e5ae2f8795881f8dbf8d8059d4e78b0aa

Aliases

arxiv: 1307.0391 · arxiv_version: 1307.0391v1 · doi: 10.48550/arxiv.1307.0391 · pith_short_12: RFFPKB5AGP4G · pith_short_16: RFFPKB5AGP4GX2LB · pith_short_8: RFFPKB5A

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/RFFPKB5AGP4GX2LBVJTUSNBXDZ \
  | 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: 894af507a033f86be961aa674934371e5ae2f8795881f8dbf8d8059d4e78b0aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "777418bdc0431916bcc33701fcae0ece758e2b6c36f4a3e0f39b077f7d87a076",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-07-01T14:49:13Z",
    "title_canon_sha256": "2f853550fdd7bfb8b7756cbd67f96a7a1cbeb2c9b2d728a7342a4a3636a60f8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0391",
    "kind": "arxiv",
    "version": 1
  }
}