Pith Number

pith:YDICSWGP

pith:2011:YDICSWGPWJZBUFZAY76VLI6N5T

not attested not anchored not stored refs pending

A new Tolman test of a cosmic distance duality relation at 21 cm

Satej Khedekar, Sayan Chakraborti

arxiv:1105.1138 v2 · 2011-05-05 · astro-ph.CO · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YDICSWGPWJZBUFZAY76VLI6N5T}

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	2026-05-18T02:22:00.575992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0d02958cfb2721a1720c7fd55a3cdeccf21d91bb3ecffc2aa0517d577ef38b6

Aliases

arxiv: 1105.1138 · arxiv_version: 1105.1138v2 · doi: 10.48550/arxiv.1105.1138 · pith_short_12: YDICSWGPWJZB · pith_short_16: YDICSWGPWJZBUFZA · pith_short_8: YDICSWGP

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/YDICSWGPWJZBUFZAY76VLI6N5T \
  | 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: c0d02958cfb2721a1720c7fd55a3cdeccf21d91bb3ecffc2aa0517d577ef38b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c6edc8f3f6bf98341084e319271aa443391dff9befccb3153b1d5b6490b8654",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-05-05T18:22:48Z",
    "title_canon_sha256": "ce76c09f0bb7fc30653baff412065545e483b403f91fa58532ec1cae070bfffb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1138",
    "kind": "arxiv",
    "version": 2
  }
}