Pith Number

pith:TPDNVQCP

pith:2022:TPDNVQCPBO3ZNR3FGFYGPWTELW

not attested not anchored not stored refs pending

Cosmological Perturbations in Double Field Theory

Allison F. Pinto, Olaf Hohm

arxiv:2207.14788 v1 · 2022-07-29 · 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{TPDNVQCPBO3ZNR3FGFYGPWTELW}

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	2026-07-05T06:06:00.082625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bc6dac04f0bb796c765317067da645d8da977a0647775c9c8a9cc93421370d1

Aliases

arxiv: 2207.14788 · arxiv_version: 2207.14788v1 · doi: 10.48550/arxiv.2207.14788 · pith_short_12: TPDNVQCPBO3Z · pith_short_16: TPDNVQCPBO3ZNR3F · pith_short_8: TPDNVQCP

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/TPDNVQCPBO3ZNR3FGFYGPWTELW \
  | 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: 9bc6dac04f0bb796c765317067da645d8da977a0647775c9c8a9cc93421370d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad936aa34d5e22142f45dc00be787daaf8033a8d093db6e923b68708db7baf93",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2022-07-29T17:13:23Z",
    "title_canon_sha256": "4e4ac654c4902494a548017ffa58fc2f541450fc91402a0a4a27d84573323c81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.14788",
    "kind": "arxiv",
    "version": 1
  }
}