Pith Number

pith:HJ4J4R75

pith:2009:HJ4J4R75B3KZNUXPQLKQBMVIBF

not attested not anchored not stored refs pending

Mapping out atom-wall interaction with atomic clocks

A. Derevianko, B. Obreshkov, V. A. Dzuba

arxiv:0905.4780 v1 · 2009-05-29 · 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{HJ4J4R75B3KZNUXPQLKQBMVIBF}

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	2026-05-18T02:13:30.915595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a789e47fd0ed596d2ef82d500b2a80971237558e60d0df4b87f37a43c021fde

Aliases

arxiv: 0905.4780 · arxiv_version: 0905.4780v1 · doi: 10.48550/arxiv.0905.4780 · pith_short_12: HJ4J4R75B3KZ · pith_short_16: HJ4J4R75B3KZNUXP · pith_short_8: HJ4J4R75

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/HJ4J4R75B3KZNUXPQLKQBMVIBF \
  | 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: 3a789e47fd0ed596d2ef82d500b2a80971237558e60d0df4b87f37a43c021fde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db0a42c9d959cf352f1d6ae03ab60b0fa67bb523c236f1c3f78b869c007c84a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2009-05-29T03:46:56Z",
    "title_canon_sha256": "e0b48e02db958e7910ec9f5c382a2ab3e398777f1af6b7ac9d473b658d19bfbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4780",
    "kind": "arxiv",
    "version": 1
  }
}