Pith Number

pith:PM6QNYAS

pith:2026:PM6QNYASPEW7JJW7VFIKGT2A7R

not attested not anchored not stored refs pending

Quantum information loss

Boyu Yang, James Fullwood, Wu-zhong Guo

arxiv:2608.05535 v1 · 2026-08-06 · 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{PM6QNYASPEW7JJW7VFIKGT2A7R}

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	2026-08-07T00:48:14.425446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b3d06e012792df4a6dfa950a34f40fc6ae03ab1259d6485dabe235edd415aa4

Aliases

arxiv: 2608.05535 · arxiv_version: 2608.05535v1 · doi: 10.48550/arxiv.2608.05535 · pith_short_12: PM6QNYASPEW7 · pith_short_16: PM6QNYASPEW7JJW7 · pith_short_8: PM6QNYAS

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/PM6QNYASPEW7JJW7VFIKGT2A7R \
  | 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: 7b3d06e012792df4a6dfa950a34f40fc6ae03ab1259d6485dabe235edd415aa4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15542409e3b6d6ee3e03cfd057b451c4e7d021f8379c610198012b49910e3f62",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-08-06T02:29:24Z",
    "title_canon_sha256": "43ab56e087ab28484b892d99a8ec3f7b70eda450546344c76c0776a1fa608940"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.05535",
    "kind": "arxiv",
    "version": 1
  }
}