Pith Number

pith:RACKRMUP

pith:2017:RACKRMUPU4E35FMN7T2RWSOWO5

not attested not anchored not stored refs pending

Coherent population pumping in a bright state

Sumanta Khan, Vasant Natarajan, Vineet Bharti

arxiv:1706.04384 v1 · 2017-06-14 · physics.atom-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RACKRMUPU4E35FMN7T2RWSOWO5}

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	2026-05-18T00:42:22.818087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8804a8b28fa709be958dfcf51b49d6776e557e5f022a2498fb5ef691326daf99

Aliases

arxiv: 1706.04384 · arxiv_version: 1706.04384v1 · doi: 10.48550/arxiv.1706.04384 · pith_short_12: RACKRMUPU4E3 · pith_short_16: RACKRMUPU4E35FMN · pith_short_8: RACKRMUP

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/RACKRMUPU4E35FMN7T2RWSOWO5 \
  | 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: 8804a8b28fa709be958dfcf51b49d6776e557e5f022a2498fb5ef691326daf99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dc9eab729f7439bc16b466e8d4c93a43443694c078d14ad84d7af3a8062358a",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2017-06-14T09:42:52Z",
    "title_canon_sha256": "3a9c0131af85a78fd0a15736f9a34cb7092bb5218d2e3be097cadf86c400f975"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.04384",
    "kind": "arxiv",
    "version": 1
  }
}