Pith Number

pith:VUOHC2T2

pith:2015:VUOHC2T2BS3N7HQXE2WGLMI2AE

not attested not anchored not stored refs pending

Exactly decohering quantum measurement without environment

Eric A. Galapon

arxiv:1505.06908 v2 · 2015-05-26 · quant-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VUOHC2T2BS3N7HQXE2WGLMI2AE}

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	2026-05-18T01:46:13.191550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad1c716a7a0cb6df9e1726ac65b11a012c558c3cea8c80ba1803c41e1c376ead

Aliases

arxiv: 1505.06908 · arxiv_version: 1505.06908v2 · doi: 10.48550/arxiv.1505.06908 · pith_short_12: VUOHC2T2BS3N · pith_short_16: VUOHC2T2BS3N7HQX · pith_short_8: VUOHC2T2

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/VUOHC2T2BS3N7HQXE2WGLMI2AE \
  | 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: ad1c716a7a0cb6df9e1726ac65b11a012c558c3cea8c80ba1803c41e1c376ead

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09381f49bbfa9f0c9fd8084a84af2af46248a1f2537583ab345a87e3531e80e8",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-05-26T11:37:27Z",
    "title_canon_sha256": "49ed8cbdb7e5e0a03a4b43b830227f2db73761d658290c0b804428b35d411cf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06908",
    "kind": "arxiv",
    "version": 2
  }
}