Pith Number

pith:D6LBJYNN

pith:2021:D6LBJYNN467E3IBEFLOX2TGUKQ

not attested not anchored not stored refs pending

Dynamical systems with benign ghosts

Andrei Smilga, Thibault Damour

arxiv:2110.11175 v1 · 2021-10-21 · hep-th · gr-qc · math.AP · 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{D6LBJYNN467E3IBEFLOX2TGUKQ}

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

3 papers in Pith

Quantum mechanics with a ghost: Counterexamples to spectral denseness

Unitary Time Evolution and Vacuum for a Quantum Stable Ghost

Ghost Degrees of Freedom Without Quantum Runaway: Exact Moment Bounds from an Operator Conservation Law

Receipt and verification

First computed	2026-07-05T04:03:54.266308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f9614e1ade7be4da0242add7d4cd45417600d9a7dc9ae8aacf52f91790f9df2

Aliases

arxiv: 2110.11175 · arxiv_version: 2110.11175v1 · doi: 10.48550/arxiv.2110.11175 · pith_short_12: D6LBJYNN467E · pith_short_16: D6LBJYNN467E3IBE · pith_short_8: D6LBJYNN

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/D6LBJYNN467E3IBEFLOX2TGUKQ \
  | 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: 1f9614e1ade7be4da0242add7d4cd45417600d9a7dc9ae8aacf52f91790f9df2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b96e8f7ef152e1aa3b0b2b4e3e578b53162ea2a4836f742fb58925de22f9986",
    "cross_cats_sorted": [
      "gr-qc",
      "math.AP",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-10-21T14:37:05Z",
    "title_canon_sha256": "81e33b5b05d66ec4f4df2bbc385cb4011e6d5cbe489bd2a0e31fedf96e2c4eab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.11175",
    "kind": "arxiv",
    "version": 1
  }
}