Pith Number

pith:BNHX6QDT

pith:2015:BNHX6QDTC3ZIRZHJOCEW7MPSGY

not attested not anchored not stored refs pending

Quantum systems with time-dependent boundaries

Paolo Facchi, Sara Di Martino

arxiv:1501.06490 v1 · 2015-01-26 · math-ph · math.MP · 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{BNHX6QDTC3ZIRZHJOCEW7MPSGY}

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	2026-05-18T02:16:40.959331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b4f7f407316f288e4e970896fb1f2362c45f323d4ab677e80763aca3b1a376f

Aliases

arxiv: 1501.06490 · arxiv_version: 1501.06490v1 · doi: 10.48550/arxiv.1501.06490 · pith_short_12: BNHX6QDTC3ZI · pith_short_16: BNHX6QDTC3ZIRZHJ · pith_short_8: BNHX6QDT

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/BNHX6QDTC3ZIRZHJOCEW7MPSGY \
  | 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: 0b4f7f407316f288e4e970896fb1f2362c45f323d4ab677e80763aca3b1a376f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8954f2facab4189f36b0a7a8b5718435a5a3c542a1dc6eac796c471822438ef",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-01-26T17:22:49Z",
    "title_canon_sha256": "72f884778548f090fbef849512dd69bd681b1c9483ec77cb7c32d239cac1b614"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06490",
    "kind": "arxiv",
    "version": 1
  }
}