Pith Number

pith:7AFQ7Z63

pith:2019:7AFQ7Z63YP73RULOQVX4C3UJW2

not attested not anchored not stored refs pending

Quest for detection of a cosmological signal from neutral hydrogen with a digital radio array developed for air-shower measurements

A. Sokolov, A. Zagorodnikov, D. Kostunin, D. Zhurov, G. Rubtsov, L. Kuzmichev, M. Pshirkov, N. Budnev, O. Fedorov, O. Grishin, P. Bezyazeekov, S. Malakhov, T. Marshalkina, V. Oreshko, Y. Kazarina

arxiv:1908.06975 v1 · 2019-08-19 · 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{7AFQ7Z63YP73RULOQVX4C3UJW2}

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	2026-07-04T23:58:29.874518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f80b0fe7dbc3ffb8d16e856fc16e89b6ac59f1f53c9da6fd42b3b6bc3512a3d6

Aliases

arxiv: 1908.06975 · arxiv_version: 1908.06975v1 · doi: 10.48550/arxiv.1908.06975 · pith_short_12: 7AFQ7Z63YP73 · pith_short_16: 7AFQ7Z63YP73RULO · pith_short_8: 7AFQ7Z63

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/7AFQ7Z63YP73RULOQVX4C3UJW2 \
  | 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: f80b0fe7dbc3ffb8d16e856fc16e89b6ac59f1f53c9da6fd42b3b6bc3512a3d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4465618ab72724156d57e13a476b42b19622d3bffd140c2ff42c8ecaf81b8b46",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-08-19T13:58:08Z",
    "title_canon_sha256": "509ffe1d8f03ffa9af3a1f6cccdca6362b5ae83a813aec49d164b91e2bde11e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06975",
    "kind": "arxiv",
    "version": 1
  }
}