Pith Number

pith:RIFR5VC7

pith:2019:RIFR5VC7V7SC6RFNRVGZOZRZNH

not attested not anchored not stored refs pending

An introduction to quantum measurements with a historical motivation

Carlos Alexandre Brasil, Leonardo Andreta de Castro, Ol\'impio Pereira de S\'a Neto

arxiv:1908.03949 v1 · 2019-08-11 · quant-ph · physics.hist-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{RIFR5VC7V7SC6RFNRVGZOZRZNH}

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	2026-07-05T00:07:37.104290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a0b1ed45fafe42f44ad8d4d97663969e2261ff997408dbca3770bc5f011c0e9

Aliases

arxiv: 1908.03949 · arxiv_version: 1908.03949v1 · doi: 10.48550/arxiv.1908.03949 · pith_short_12: RIFR5VC7V7SC · pith_short_16: RIFR5VC7V7SC6RFN · pith_short_8: RIFR5VC7

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/RIFR5VC7V7SC6RFNRVGZOZRZNH \
  | 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: 8a0b1ed45fafe42f44ad8d4d97663969e2261ff997408dbca3770bc5f011c0e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32b2d49bc298a9d484cf268c98f9c135f6c877abdfd51f290ce91890abe8a8b9",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-08-11T18:49:43Z",
    "title_canon_sha256": "c37d472c78f2548aabf7003f92dce052147d8f07701ae92fef7257c1eb8dc6c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03949",
    "kind": "arxiv",
    "version": 1
  }
}