Pith Number

pith:CCM26VTH

pith:2011:CCM26VTHS7YBY7G4OXTZT3WEZO

not attested not anchored not stored refs pending

Measuring space-time variation of the fundamental constants with redshifted submillimetre transitions of neutral carbon

A. A. Stark, A. Tanna, F. E. Koch, J. C. Berengut, J. K. Webb, S. J. Curran, V. V. Flambaum

arxiv:1108.0976 v2 · 2011-08-04 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CCM26VTHS7YBY7G4OXTZT3WEZO}

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	2026-05-18T02:01:03.169593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1099af566797f01c7cdc75e799eec4cb8bfba86a17bbf9baadaf0b5d48c6409a

Aliases

arxiv: 1108.0976 · arxiv_version: 1108.0976v2 · doi: 10.48550/arxiv.1108.0976 · pith_short_12: CCM26VTHS7YB · pith_short_16: CCM26VTHS7YBY7G4 · pith_short_8: CCM26VTH

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/CCM26VTHS7YBY7G4OXTZT3WEZO \
  | 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: 1099af566797f01c7cdc75e799eec4cb8bfba86a17bbf9baadaf0b5d48c6409a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3061562604c007802a52ddeb3811b00d336d89eea670ba5b8609387b7c7d7d40",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-04T01:37:37Z",
    "title_canon_sha256": "0324d5f6fdc044b383df47de5db415d8bb95596244932891c48cc3c0196cfbd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.0976",
    "kind": "arxiv",
    "version": 2
  }
}