Pith Number

pith:CY4B33WB

pith:2008:CY4B33WB4DJIFYOKECDLAQELLZ

not attested not anchored not stored refs pending

Identifying wave packet fractional revivals by means of information entropy

E. Romera, F. de los Santos

arxiv:0801.2267 v2 · 2008-01-15 · quant-ph · 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{CY4B33WB4DJIFYOKECDLAQELLZ}

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	2026-05-18T02:42:29.384590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16381deec1e0d282e1ca2086b0408b5e6476a2a5e7ddb77a6b03944c8ff4fd11

Aliases

arxiv: 0801.2267 · arxiv_version: 0801.2267v2 · doi: 10.48550/arxiv.0801.2267 · pith_short_12: CY4B33WB4DJI · pith_short_16: CY4B33WB4DJIFYOK · pith_short_8: CY4B33WB

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/CY4B33WB4DJIFYOKECDLAQELLZ \
  | 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: 16381deec1e0d282e1ca2086b0408b5e6476a2a5e7ddb77a6b03944c8ff4fd11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31a58d7da55c2a2cdbe5f016c62f85fadcec9e57836f347a5f1ba2788cf30a36",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-01-15T11:47:35Z",
    "title_canon_sha256": "796013ff67ea6c11c197c76f724f02ea25553789f1ff75ef6768ad864f531f3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.2267",
    "kind": "arxiv",
    "version": 2
  }
}