Pith Number

pith:PJNXCV4B

pith:2004:PJNXCV4BKH2EFXPEB32MK6W7XV

not attested not anchored not stored refs pending

Time problem in quantum mechanics and its analysis by the concept of weak measurement

B. Kaulakys, J. Ruseckas

arxiv:quant-ph/0409006 v1 · 2004-09-01 · quant-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{PJNXCV4BKH2EFXPEB32MK6W7XV}

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	2026-05-18T01:37:58.385272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a5b71578151f442dde40ef4c57adfbd44d5a88d95a12d6889dc166213f699c2

Aliases

arxiv: quant-ph/0409006 · arxiv_version: quant-ph/0409006v1 · doi: 10.48550/arxiv.quant-ph/0409006 · pith_short_12: PJNXCV4BKH2E · pith_short_16: PJNXCV4BKH2EFXPE · pith_short_8: PJNXCV4B

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/PJNXCV4BKH2EFXPEB32MK6W7XV \
  | 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: 7a5b71578151f442dde40ef4c57adfbd44d5a88d95a12d6889dc166213f699c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4d7fac21bc8c91f3cd5b5da1ab3fc3b1dc01b0b0605e97446a1ba6e6a62d914",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-09-01T10:38:46Z",
    "title_canon_sha256": "51778cf4b84c13c5b86cf1f28698ca6b0e16d758f9d41d987199c58846e45e2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0409006",
    "kind": "arxiv",
    "version": 1
  }
}