Pith Number

pith:CG5OVNB6

pith:2019:CG5OVNB6SYSWW4GRBOXYIG36FF

not attested not anchored not stored refs pending

The D-CTC condition in quantum field theory

Rainer Verch

arxiv:1904.02747 v1 · 2019-04-04 · gr-qc · hep-th · 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{CG5OVNB6SYSWW4GRBOXYIG36FF}

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	2026-05-17T23:49:19.807020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11baeab43e96256b70d10baf841b7e29520b4bc093e6cebc0548ca3acca83c6d

Aliases

arxiv: 1904.02747 · arxiv_version: 1904.02747v1 · doi: 10.48550/arxiv.1904.02747 · pith_short_12: CG5OVNB6SYSW · pith_short_16: CG5OVNB6SYSWW4GR · pith_short_8: CG5OVNB6

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/CG5OVNB6SYSWW4GRBOXYIG36FF \
  | 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: 11baeab43e96256b70d10baf841b7e29520b4bc093e6cebc0548ca3acca83c6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d949fc343b4964a21c260f4fba6405c7f508f280102b393fda705ba18790ee8",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-04-04T18:56:34Z",
    "title_canon_sha256": "dcc868c078a9d3ea5f516797415571d0f41b140e9b799cdd8ef1ff41e8ef4ddd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02747",
    "kind": "arxiv",
    "version": 1
  }
}