Pith Number

pith:RCMGCDG6

pith:2010:RCMGCDG6O4VSDYRX3UYFMEORTA

not attested not anchored not stored refs pending

Probing fundamental constant evolution with redshifted conjugate-satellite OH lines

2), (2) National Radio Astronomy Observatory, (3) Arecibo Observatory, India, Jayaram N. Chengalur (1), Nissim Kanekar (1, Tapasi Ghosh (3) ((1) National Centre for Radio Astrophysics, USA, USA)

arxiv:1004.5383 v1 · 2010-04-29 · astro-ph.CO · gr-qc · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RCMGCDG6O4VSDYRX3UYFMEORTA}

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	2026-05-18T02:07:44.880386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8898610cde772b21e237dd305611d1981d3950050fc99ace1c8e63e71635bd0b

Aliases

arxiv: 1004.5383 · arxiv_version: 1004.5383v1 · doi: 10.48550/arxiv.1004.5383 · pith_short_12: RCMGCDG6O4VS · pith_short_16: RCMGCDG6O4VSDYRX · pith_short_8: RCMGCDG6

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/RCMGCDG6O4VSDYRX3UYFMEORTA \
  | 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: 8898610cde772b21e237dd305611d1981d3950050fc99ace1c8e63e71635bd0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7ea12a8115322f40a0d6a2dc3dd9aac02ea3b2b0191a9f05891b2368fd5dd33",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-29T20:05:28Z",
    "title_canon_sha256": "b75d0f893ce4b36702cdfd7f28fb3ed93f0668c4bc05ef6a1542c952821026d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.5383",
    "kind": "arxiv",
    "version": 1
  }
}