Pith Number

pith:KPH34TPC

pith:2009:KPH34TPCABQ4FGXKKVWEXWIPH7

not attested not anchored not stored refs pending

On the backreaction of frame dragging

Carlos A. R. Herdeiro, Carmen Rebelo, Claude M. Warnick

arxiv:0907.5104 v1 · 2009-07-29 · 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{KPH34TPCABQ4FGXKKVWEXWIPH7}

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	2026-05-18T03:23:58.573441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53cfbe4de20061c29aea556c4bd90f3ff588eab0c798185ed6ef51539eade08e

Aliases

arxiv: 0907.5104 · arxiv_version: 0907.5104v1 · doi: 10.48550/arxiv.0907.5104 · pith_short_12: KPH34TPCABQ4 · pith_short_16: KPH34TPCABQ4FGXK · pith_short_8: KPH34TPC

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/KPH34TPCABQ4FGXKKVWEXWIPH7 \
  | 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: 53cfbe4de20061c29aea556c4bd90f3ff588eab0c798185ed6ef51539eade08e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4702602a442893a25e5e3aca2421d4313c0f8df6d52fb05ced700dad9f7bc1d6",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-07-29T10:58:45Z",
    "title_canon_sha256": "9c3621bf65aaf78b0386b864402aa6e7c7a91c8c49599eb74dece6a4a20eb8e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.5104",
    "kind": "arxiv",
    "version": 1
  }
}