Pith Number

pith:PQJGBPI7

pith:2013:PQJGBPI7OS5PLDUW3P2ZJCPK2H

not attested not anchored not stored refs pending

BRST technique for the cosmological density matrix

Andrei O. Barvinsky

arxiv:1308.3270 v1 · 2013-08-14 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQJGBPI7OS5PLDUW3P2ZJCPK2H}

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

Unitary quantum matter-bounce in a universe with a positive cosmological constant

Receipt and verification

First computed	2026-05-18T01:48:15.361510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c1260bd1f74baf58e96dbf59489ead1f9f70c528c9aedd45f6dee3686adabd6

Aliases

arxiv: 1308.3270 · arxiv_version: 1308.3270v1 · doi: 10.48550/arxiv.1308.3270 · pith_short_12: PQJGBPI7OS5P · pith_short_16: PQJGBPI7OS5PLDUW · pith_short_8: PQJGBPI7

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/PQJGBPI7OS5PLDUW3P2ZJCPK2H \
  | 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: 7c1260bd1f74baf58e96dbf59489ead1f9f70c528c9aedd45f6dee3686adabd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97537f68f2d951158f3278f261a2ecef7da7d600e4f5f2f1d13f75b3d246b747",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-08-14T22:43:44Z",
    "title_canon_sha256": "0f99f229819968281afcc895350710b2166c284a9af714df437088196ce8757c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3270",
    "kind": "arxiv",
    "version": 1
  }
}