Pith Number

pith:5PLFM4KT

pith:2016:5PLFM4KTKYFAAYFYXXJ5QP5JOJ

not attested not anchored not stored refs pending

RadioAstron gravitational redshift experiment: status update

A. I. Smirnov, A. Neidhardt, A. V. Biriukov, A. V. Gusev, A. V. Kovalenko, B. Z. Kanevsky, C. Ploetz, D. A. Duev, D. A. Litvinov, G. Cimo, G. Kronschnabl, G. Molera Calves, J. Yang, K. G. Belousov, K. V. Sokolovsky, L. I. Gurvits, M. Bietenholz, M. Lindqvist, M. V. Zakhvatkin, N. Bartel, N. K. Porayko, R. Haas, S. V. Pogrebenko, U. Bach, V. A. Stepanyants, V. L. Kauts, V. N. Rudenko, V. V. Kulagin

arxiv:1605.05832 v1 · 2016-05-19 · astro-ph.IM · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5PLFM4KTKYFAAYFYXXJ5QP5JOJ}

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	2026-05-18T01:14:28.260130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebd6567153560a0060b8bdd3d83fa97249a365cc001816c3159369a4759881e1

Aliases

arxiv: 1605.05832 · arxiv_version: 1605.05832v1 · doi: 10.48550/arxiv.1605.05832 · pith_short_12: 5PLFM4KTKYFA · pith_short_16: 5PLFM4KTKYFAAYFY · pith_short_8: 5PLFM4KT

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/5PLFM4KTKYFAAYFYXXJ5QP5JOJ \
  | 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: ebd6567153560a0060b8bdd3d83fa97249a365cc001816c3159369a4759881e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4664439811eacf75fa95b7a518ae1314239e5fc82b0fc99a8bd6f811b2bb089",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-05-19T07:10:00Z",
    "title_canon_sha256": "5603906f7d60fa0feb1320484a6d5c5b6998e694cfa6911b670fb0fc1966c27b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.05832",
    "kind": "arxiv",
    "version": 1
  }
}