Pith Number

pith:AFT7HJ7D

pith:2011:AFT7HJ7DGB4YHI7UXCKBGCM2NA

not attested not anchored not stored refs pending

Demonstration of Design Verification Model of Rubidium Frequency Standard

A. Banik, Bikash Ghosal, G. M. Saxena, K. S. Dasgupta, R. K. Bahl, Sarathi Mandal, Satish Nandanwar, Savita Singh, S. S. Raghuwanshi

arxiv:1109.0277 v3 · 2011-09-01 · physics.ins-det · physics.atom-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{AFT7HJ7DGB4YHI7UXCKBGCM2NA}

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	2026-05-18T04:03:20.210961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0167f3a7e3307983a3f4b89413099a6829094264673fd42963b2fd1e2698be98

Aliases

arxiv: 1109.0277 · arxiv_version: 1109.0277v3 · doi: 10.48550/arxiv.1109.0277 · pith_short_12: AFT7HJ7DGB4Y · pith_short_16: AFT7HJ7DGB4YHI7U · pith_short_8: AFT7HJ7D

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/AFT7HJ7DGB4YHI7UXCKBGCM2NA \
  | 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: 0167f3a7e3307983a3f4b89413099a6829094264673fd42963b2fd1e2698be98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f520322e92986bc6ecbebd30c566b5212bbad11ea3c6e82d199f2034fdda9dea",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2011-09-01T16:19:11Z",
    "title_canon_sha256": "47658affb5420bf164dac2c32a18822cb937a949e00e362c5b9524c6f38cc2f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0277",
    "kind": "arxiv",
    "version": 3
  }
}