Pith Number

pith:SBLAKVGC

pith:2018:SBLAKVGCN2KCCNHDI2WQXMKNPS

not attested not anchored not stored refs pending

Quantum measurements of time

Krzysztof Sacha, Lorenzo Maccone

arxiv:1810.12869 v3 · 2018-10-30 · quant-ph · cond-mat.quant-gas · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SBLAKVGCN2KCCNHDI2WQXMKNPS}

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	2026-07-05T00:48:58.290522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90560554c26e942134e346ad0bb14d7cb8a68086cfb3805e77bd2f4289e2e0b9

Aliases

arxiv: 1810.12869 · arxiv_version: 1810.12869v3 · doi: 10.48550/arxiv.1810.12869 · pith_short_12: SBLAKVGCN2KC · pith_short_16: SBLAKVGCN2KCCNHD · pith_short_8: SBLAKVGC

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/SBLAKVGCN2KCCNHDI2WQXMKNPS \
  | 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: 90560554c26e942134e346ad0bb14d7cb8a68086cfb3805e77bd2f4289e2e0b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88bfa317b6e773a161234614e2bde687cfaeea4610ec3386c26b9abd932b75ef",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-10-30T17:14:52Z",
    "title_canon_sha256": "8f195a0cd415ab92ee0e08a8f8da8d033093e64d4626b75fa0b3859c8eeaff59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.12869",
    "kind": "arxiv",
    "version": 3
  }
}