Pith Number

pith:3C7EALUD

pith:2017:3C7EALUDAKXDIBBPL2CX2IMELG

not attested not anchored not stored refs pending

Decoherence of black hole superpositions

Andreas Albrecht, Andrew Arrasmith, Wojciech H. Zurek

arxiv:1708.09353 v1 · 2017-08-30 · quant-ph · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3C7EALUDAKXDIBBPL2CX2IMELG}

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	2026-05-17T23:48:12.005373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8be402e8302ae34042f5e857d218459a75d8081319549679301c2152469fac8

Aliases

arxiv: 1708.09353 · arxiv_version: 1708.09353v1 · doi: 10.48550/arxiv.1708.09353 · pith_short_12: 3C7EALUDAKXD · pith_short_16: 3C7EALUDAKXDIBBP · pith_short_8: 3C7EALUD

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/3C7EALUDAKXDIBBPL2CX2IMELG \
  | 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: d8be402e8302ae34042f5e857d218459a75d8081319549679301c2152469fac8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05645050dd5126602746e07c32718db779a77cfe1e6be615fa6aa6a55a87e1d4",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-08-30T16:38:28Z",
    "title_canon_sha256": "9c55e6148238b6a418227a013ba90c66260dfc78111ae87e2b5dc184dd6096cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09353",
    "kind": "arxiv",
    "version": 1
  }
}