Pith Number

pith:7BX2IHTC

pith:2016:7BX2IHTCEBWP52QHDFLJF3RMAA

not attested not anchored not stored refs pending

Can a quantum state over time resemble a quantum state at a single time?

Chris Heunen, Dominic Horsman, Jonathan Barrett, Matthew F. Pusey, Robert W. Spekkens

arxiv:1607.03637 v2 · 2016-07-13 · 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{7BX2IHTCEBWP52QHDFLJF3RMAA}

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.

Cited by

1 paper in Pith

Operational time-reversal symmetry for unital qubit channels

Receipt and verification

First computed	2026-05-18T00:31:59.105450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f86fa41e62206cfeea07195692ee2c000c93d1e5817eb47d117cfded3e529ea7

Aliases

arxiv: 1607.03637 · arxiv_version: 1607.03637v2 · doi: 10.48550/arxiv.1607.03637 · pith_short_12: 7BX2IHTCEBWP · pith_short_16: 7BX2IHTCEBWP52QH · pith_short_8: 7BX2IHTC

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/7BX2IHTCEBWP52QHDFLJF3RMAA \
  | 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: f86fa41e62206cfeea07195692ee2c000c93d1e5817eb47d117cfded3e529ea7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a418fc1c93666f829903342bf8ec424533bf6a4f2a7c203d42c6becf3962a670",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-07-13T08:16:49Z",
    "title_canon_sha256": "61c723c61a314491385d1603b87fdb81a610217846ffd61c2f04cd48995e230b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.03637",
    "kind": "arxiv",
    "version": 2
  }
}